IE11 fixes.

@@ -11724,17 +11724,17 @@
       }
     },
     "schema-inspector": {
-      "version": "1.6.9",
-      "resolved": "https://registry.npmjs.org/schema-inspector/-/schema-inspector-1.6.9.tgz",
-      "integrity": "sha512-MNS3SOn6noecIv9R+gwroIgiOLQoRY1IRXToFvVBo2QMfnXy1E+SGRVWJFsJPqgy0lAivUfPLaVLhvAI35HKRg==",
+      "version": "1.6.8",
+      "resolved": "https://registry.npmjs.org/schema-inspector/-/schema-inspector-1.6.8.tgz",
+      "integrity": "sha1-ueU5g8xV/y29e2Xj2+CF2dEoXyo=",
       "requires": {
-        "async": "^3.1.0"
+        "async": "^1.5.0"
       },
       "dependencies": {
         "async": {
-          "version": "3.1.1",
-          "resolved": "https://registry.npmjs.org/async/-/async-3.1.1.tgz",
-          "integrity": "sha512-X5Dj8hK1pJNC2Wzo2Rcp9FBVdJMGRR/S7V+lH46s8GVFhtbo5O4Le5GECCF/8PISVdkUA6mMPvgz7qTTD1rf1g=="
+          "version": "1.5.2",
+          "resolved": "https://registry.npmjs.org/async/-/async-1.5.2.tgz",
+          "integrity": "sha1-7GphrlZIDAw8skHJVhjiCJL5Zyo="
         }
       }
     },

@@ -74,7 +74,7 @@
     "react-dropzone": "^10.2.1",
     "reactcss": "^1.2.3",
     "rxjs": "^6.5.4",
-    "schema-inspector": "^1.6.9",
+    "schema-inspector": "1.6.8",
     "screenfull": "^5.0.1",
     "split.js": "^1.5.11",
     "systemjs": "0.21.5",

@@ -109,7 +109,7 @@ export function isString(value: any): boolean {
 
 export function formatValue(value: any, dec?: number, units?: string, showZeroDecimals?: boolean): string | undefined {
   if (isDefined(value) &&
-    value != null && isNumeric(value)) {
+    value !== null && isNumeric(value)) {
     let formatted: string | number = Number(value);
     if (isDefined(dec)) {
       formatted = formatted.toFixed(dec);
@@ -123,10 +123,14 @@ export function formatValue(value: any, dec?: number, units?: string, showZeroDe
     }
     return formatted;
   } else {
-    return value;
+    return value !== null ? value : '';
   }
 }
 
+export function objectValues(obj: any): any[] {
+  return Object.keys(obj).map(e => obj[e]);
+}
+
 export function deleteNullProperties(obj: any) {
   if (isUndefined(obj) || obj == null) {
     return;

@@ -15,7 +15,7 @@
     limitations under the License.
 
 -->
-<form [formGroup]="alarmFormGroup" style="width: 600px;">
+<form [formGroup]="alarmFormGroup" style="min-width: 600px;">
   <mat-toolbar fxLayout="row" color="primary">
     <h2>{{ 'alarm.alarm-details' | translate }}</h2>
     <span fxFlex></span>

@@ -221,7 +221,7 @@
                                  'tb-current-entity': dataSource.isCurrentEntity(entity)}"
                      *matRowDef="let entity; columns: displayedColumns;" (click)="onRowClick($event, entity)"></mat-row>
           </mat-table>
-          <span [fxShow]="dataSource.isEmpty() | async"
+          <span [fxShow]="!(isLoading$ | async) && (dataSource.isEmpty() | async)"
                 fxLayoutAlign="center center"
                 class="no-data-found" translate>{{ translations.noEntities }}</span>
         </div>

@@ -419,7 +419,7 @@ export class EntitiesTableComponent extends PageComponent implements AfterViewIn
       }
       return res;
     } else {
-      return null;
+      return '';
     }
   }
 

@@ -18,11 +18,9 @@
   height: 100%;
   .tb-table-widget {
     mat-footer-row, mat-row {
-      min-height: 38px;
       height: 38px;
     }
     mat-header-row {
-      min-height: 40px;
       height: 40px;
     }
     mat-toolbar {

@@ -426,7 +426,7 @@ export class WidgetComponent extends PageComponent implements OnInit, AfterViewI
 
     this.initialize().subscribe(
       () => {
-        this.cd.detectChanges();
+        this.detectChanges();
         this.onInit();
       },
       (err) => {
@@ -435,6 +435,12 @@ export class WidgetComponent extends PageComponent implements OnInit, AfterViewI
     );
   }
 
+  private detectChanges() {
+    if (!this.destroyed) {
+      this.cd.detectChanges();
+    }
+  }
+
   private isReady(): boolean {
     return this.subscriptionInited && this.widgetSizeDetected;
   }
@@ -546,7 +552,7 @@ export class WidgetComponent extends PageComponent implements OnInit, AfterViewI
             this.widgetContext.reset();
             this.subscriptionInited = true;
             this.configureDynamicWidgetComponent();
-            this.cd.detectChanges();
+            this.detectChanges();
             this.onInit();
           }
         },
@@ -564,7 +570,7 @@ export class WidgetComponent extends PageComponent implements OnInit, AfterViewI
       this.widgetContext.reset();
       this.subscriptionInited = true;
       this.configureDynamicWidgetComponent();
-      this.cd.detectChanges();
+      this.detectChanges();
       this.onInit();
     }
   }
@@ -760,22 +766,18 @@ export class WidgetComponent extends PageComponent implements OnInit, AfterViewI
       dataLoading: (subscription) => {
         if (this.loadingData !== subscription.loadingData) {
           this.loadingData = subscription.loadingData;
-          if (!this.destroyed) {
-            this.cd.detectChanges();
-          }
+          this.detectChanges();
         }
       },
       legendDataUpdated: (subscription, detectChanges) => {
-        if (detectChanges && !this.destroyed) {
-          this.cd.detectChanges();
+        if (detectChanges) {
+          this.detectChanges();
         }
       },
       timeWindowUpdated: (subscription, timeWindowConfig) => {
         this.ngZone.run(() => {
           this.widget.config.timewindow = timeWindowConfig;
-          if (!this.destroyed) {
-            this.cd.detectChanges();
-          }
+          this.detectChanges();
         });
       }
     };
@@ -836,7 +838,7 @@ export class WidgetComponent extends PageComponent implements OnInit, AfterViewI
           if (this.dynamicWidgetComponent) {
             this.dynamicWidgetComponent.rpcEnabled = subscription.rpcEnabled;
             this.dynamicWidgetComponent.executingRpcRequest = subscription.executingRpcRequest;
-            this.cd.detectChanges();
+            this.detectChanges();
           }
         },
         onRpcSuccess: (subscription) => {
@@ -844,7 +846,7 @@ export class WidgetComponent extends PageComponent implements OnInit, AfterViewI
             this.dynamicWidgetComponent.executingRpcRequest = subscription.executingRpcRequest;
             this.dynamicWidgetComponent.rpcErrorText = subscription.rpcErrorText;
             this.dynamicWidgetComponent.rpcRejection = subscription.rpcRejection;
-            this.cd.detectChanges();
+            this.detectChanges();
           }
         },
         onRpcFailed: (subscription) => {
@@ -852,14 +854,14 @@ export class WidgetComponent extends PageComponent implements OnInit, AfterViewI
             this.dynamicWidgetComponent.executingRpcRequest = subscription.executingRpcRequest;
             this.dynamicWidgetComponent.rpcErrorText = subscription.rpcErrorText;
             this.dynamicWidgetComponent.rpcRejection = subscription.rpcRejection;
-            this.cd.detectChanges();
+            this.detectChanges();
           }
         },
         onRpcErrorCleared: (subscription) => {
           if (this.dynamicWidgetComponent) {
             this.dynamicWidgetComponent.rpcErrorText = null;
             this.dynamicWidgetComponent.rpcRejection = null;
-            this.cd.detectChanges();
+            this.detectChanges();
           }
         }
       };
@@ -873,16 +875,16 @@ export class WidgetComponent extends PageComponent implements OnInit, AfterViewI
           createSubscriptionSubject.error(err);
         }
       );
-      this.cd.detectChanges();
+      this.detectChanges();
     } else if (this.widget.type === widgetType.static) {
       this.loadingData = false;
       createSubscriptionSubject.next();
       createSubscriptionSubject.complete();
-      this.cd.detectChanges();
+      this.detectChanges();
     } else {
       createSubscriptionSubject.next();
       createSubscriptionSubject.complete();
-      this.cd.detectChanges();
+      this.detectChanges();
     }
     return createSubscriptionSubject.asObservable();
   }

@@ -20,7 +20,7 @@ import { BehaviorSubject, Observable, of, ReplaySubject } from 'rxjs';
 import { emptyPageData, PageData } from '@shared/models/page/page-data';
 import { BaseData, HasId } from '@shared/models/base-data';
 import { CollectionViewer, DataSource } from '@angular/cdk/typings/collections';
-import { catchError, map, take, tap } from 'rxjs/operators';
+import { catchError, map, share, take, tap } from 'rxjs/operators';
 import { SelectionModel } from '@angular/cdk/collections';
 import {EntityBooleanFunction} from '@home/models/entity/entities-table-config.models';
 
@@ -78,19 +78,22 @@ export class EntitiesDataSource<T extends BaseData<HasId>, P extends PageLink =
   isAllSelected(): Observable<boolean> {
     const numSelected = this.selection.selected.length;
     return this.entitiesSubject.pipe(
-      map((entities) => numSelected === this.selectableEntitiesCount(entities))
+      map((entities) => numSelected === this.selectableEntitiesCount(entities)),
+      share()
     );
   }
 
   isEmpty(): Observable<boolean> {
     return this.entitiesSubject.pipe(
-      map((entities) => !entities.length)
+      map((entities) => !entities.length),
+      share()
     );
   }
 
   total(): Observable<number> {
     return this.pageDataSubject.pipe(
-      map((pageData) => pageData.totalElements)
+      map((pageData) => pageData.totalElements),
+      share()
     );
   }
 

@@ -84,7 +84,7 @@ export class EntityTableColumn<T extends BaseData<HasId>> extends BaseEntityTabl
   constructor(public key: string,
               public title: string,
               public width: string = '0px',
-              public cellContentFunction: CellContentFunction<T> = (entity, property) => entity[property],
+              public cellContentFunction: CellContentFunction<T> = (entity, property) => entity[property] ? entity[property] : '',
               public cellStyleFunction: CellStyleFunction<T> = () => ({}),
               public sortable: boolean = true,
               public headerCellStyleFunction: HeaderCellStyleFunction<T> = () => ({}),

@@ -18,7 +18,6 @@
 <div class="mat-padding" fxLayout="column">
   <form #ruleNodeLinkForm="ngForm" [formGroup]="ruleNodeLinkFormGroup">
     <tb-link-labels
-      fxFlex
       required
       formControlName="labels"
       [allowedLabels]="allowedLabels"

@@ -23,6 +23,7 @@ import { AppState } from '@app/core/core.state';
 import { TranslateService } from '@ngx-translate/core';
 import { coerceBooleanProperty } from '@angular/cdk/coercion';
 import { MessageType, messageTypeNames } from '@shared/models/rule-node.models';
+import { objectValues } from '@core/utils';
 
 @Component({
   selector: 'tb-message-type-autocomplete',
@@ -109,7 +110,7 @@ export class MessageTypeAutocompleteComponent implements ControlValueAccessor, O
     this.modelValue = value;
     let res: MessageType | string = null;
     if (value) {
-      if (Object.values(MessageType).includes(value)) {
+      if (objectValues(MessageType).includes(value)) {
         res = MessageType[value];
       } else {
         res = value;
@@ -129,7 +130,7 @@ export class MessageTypeAutocompleteComponent implements ControlValueAccessor, O
   updateView(value: MessageType | string | null) {
     let res: string = null;
     if (value) {
-      if (Object.values(MessageType).includes(value)) {
+      if (objectValues(MessageType).includes(value)) {
         res = MessageType[value];
       } else {
         res = value;
@@ -143,7 +144,7 @@ export class MessageTypeAutocompleteComponent implements ControlValueAccessor, O
 
   displayMessageTypeFn(messageType?: MessageType | string): string | undefined {
     if (messageType) {
-      if (Object.values(MessageType).includes(messageType)) {
+      if (objectValues(MessageType).includes(messageType)) {
         return messageTypeNames.get(MessageType[messageType]);
       } else {
         return messageType;

@@ -120,7 +120,7 @@ export function getDashboardAssignedCustomersText(dashboard: DashboardInfo): str
       .map(customerInfo => customerInfo.title)
       .join(', ');
   } else {
-    return null;
+    return '';
   }
 }
 

@@ -521,15 +521,17 @@ mat-label {
   }
 
   mat-header-row {
-    min-height: 60px;
     height: 60px;
   }
 
   mat-footer-row, mat-row {
-    min-height: 52px;
     height: 52px;
   }
 
+  mat-header-row, mat-footer-row, mat-row {
+    min-height: auto;
+  }
+
   .mat-row,
   .mat-header-row {
     display: table-row;
@@ -537,17 +539,23 @@ mat-label {
 
 
   .mat-header-row.mat-table-sticky {
+    background-clip: padding-box;
     .mat-header-cell {
       position: sticky;
       top: 0;
       z-index: 10;
       background: inherit;
+      background-clip: padding-box;
       &.mat-table-sticky {
         z-index: 11 !important;
       }
     }
   }
 
+  .mat-cell.mat-table-sticky {
+    background-clip: padding-box;
+  }
+
   .mat-row {
     transition: background-color .2s;
     &:hover:not(.tb-current-entity) {