UI: LwM2M remove required object list; change default setting; add text: no object found

@@ -23,11 +23,9 @@
           <tb-profile-lwm2m-object-list
             (addList)="addObjectsList($event)"
             (removeList)="removeObjectsList($event)"
-            [required]="required"
             formControlName="objectIds">
           </tb-profile-lwm2m-object-list>
           <tb-profile-lwm2m-observe-attr-telemetry
-            [required]="required"
             formControlName="observeAttrTelemetry">
           </tb-profile-lwm2m-observe-attr-telemetry>
         </section>

@@ -50,7 +50,7 @@ import {
   TELEMETRY
 } from './lwm2m-profile-config.models';
 import { DeviceProfileService } from '@core/http/device-profile.service';
-import { deepClone, isDefinedAndNotNull, isEmpty } from '@core/utils';
+import { deepClone, isDefinedAndNotNull, isEmpty, isUndefined } from '@core/utils';
 import { JsonArray, JsonObject } from '@angular/compiler-cli/ngcc/src/packages/entry_point';
 import { Direction } from '@shared/models/page/sort-order';
 import _ from 'lodash';
@@ -100,8 +100,8 @@ export class Lwm2mDeviceProfileTransportConfigurationComponent implements Contro
   constructor(private fb: FormBuilder,
               private deviceProfileService: DeviceProfileService) {
     this.lwm2mDeviceProfileFormGroup = this.fb.group({
-      objectIds: [null, Validators.required],
-      observeAttrTelemetry: [null, Validators.required],
+      objectIds: [null],
+      observeAttrTelemetry: [null],
       bootstrap: this.fb.group({
         servers: this.fb.group({
           binding: [DEFAULT_BINDING],
@@ -183,7 +183,8 @@ export class Lwm2mDeviceProfileTransportConfigurationComponent implements Contro
   async writeValue(value: Lwm2mProfileConfigModels | null) {
     if (isDefinedAndNotNull(value) && (value?.clientLwM2mSettings || value?.observeAttr || value?.bootstrap)) {
       this.configurationValue = value;
-      const defaultFormSettings = !(value.observeAttr.attribute.length && value.observeAttr.telemetry.length);
+      const defaultFormSettings = value.clientLwM2mSettings.fwUpdateStrategy === 1 &&
+        isUndefined(value.clientLwM2mSettings.fwUpdateResource);
       if (defaultFormSettings) {
         await this.defaultProfileConfig();
       }

@@ -44,9 +44,14 @@
       <span [innerHTML]="objectLwm2m.keyId + ': ' + (objectLwm2m.name  | highlight: searchText)"></span>
     </mat-option>
     <mat-option *ngIf="!(filteredObjectsList | async)?.length" [value]="null">
-      <span>
-          {{ 'device-profile.lwm2m.no-objects-matching' | translate: {object: searchText} }}
-      </span>
+      <div *ngIf="!textIsNotEmpty(searchText); else searchNotEmpty">
+        <span translate>device-profile.lwm2m.no-objects-found</span>
+      </div>
+      <ng-template #searchNotEmpty>
+        <span>
+            {{ 'device-profile.lwm2m.no-objects-matching' | translate:{object: truncate.transform(searchText, true, 6, &apos;...&apos;)} }}
+        </span>
+      </ng-template>
     </mat-option>
   </mat-autocomplete>
   <mat-error *ngIf="lwm2mListFormGroup.get('objectsList').hasError('required')">

@@ -33,6 +33,7 @@ import { DeviceProfileService } from '@core/http/device-profile.service';
 import { Direction } from '@shared/models/page/sort-order';
 import { isDefined, isDefinedAndNotNull, isString } from '@core/utils';
 import { PageLink } from '@shared/models/page/page-link';
+import { TruncatePipe } from '@shared/pipe/truncate.pipe';
 
 @Component({
   selector: 'tb-profile-lwm2m-object-list',
@@ -82,7 +83,8 @@ export class Lwm2mObjectListComponent implements ControlValueAccessor, OnInit, V
   private propagateChange = (v: any) => {
   }
 
-  constructor(private deviceProfileService: DeviceProfileService,
+  constructor(public truncate: TruncatePipe,
+              private deviceProfileService: DeviceProfileService,
               private fb: FormBuilder) {
     this.lwm2mListFormGroup = this.fb.group({
       objectsList: [this.objectsList],
@@ -196,6 +198,10 @@ export class Lwm2mObjectListComponent implements ControlValueAccessor, OnInit, V
     }
   }
 
+  textIsNotEmpty(text: string): boolean {
+    return (text && text.length > 0);
+  }
+
   private clear(value = '', emitEvent = true) {
     this.objectInput.nativeElement.value = value;
     this.lwm2mListFormGroup.get('objectLwm2m').patchValue(value, {emitEvent});

@@ -164,8 +164,8 @@ export interface ClientLwM2mSettings {
   clientOnlyObserveAfterConnect: number;
   fwUpdateStrategy: number;
   swUpdateStrategy: number;
-  fwUpdateResource: string;
-  swUpdateResource: string;
+  fwUpdateResource?: string;
+  swUpdateResource?: string;
   powerMode: PowerMode;
   edrxCycle?: number;
   pagingTransmissionWindow?: number;
@@ -178,7 +178,7 @@ export interface ObservableAttributes {
   attribute: string[];
   telemetry: string[];
   keyName: {};
-  attributeLwm2m?: AttributesNameValueMap[];
+  attributeLwm2m: AttributesNameValueMap;
 }
 
 export function getDefaultBootstrapServersSecurityConfig(): BootstrapServersSecurityConfig {
@@ -193,13 +193,13 @@ export function getDefaultBootstrapServersSecurityConfig(): BootstrapServersSecu
 
 export function getDefaultBootstrapServerSecurityConfig(): ServerSecurityConfig {
   return {
+    bootstrapServerAccountTimeout: DEFAULT_BOOTSTRAP_SERVER_ACCOUNT_TIME_OUT,
+    clientHoldOffTime: DEFAULT_CLIENT_HOLD_OFF_TIME,
     host: DEFAULT_LOCAL_HOST_NAME,
     port: DEFAULT_PORT_BOOTSTRAP_NO_SEC,
     securityMode: securityConfigMode.NO_SEC,
-    serverPublicKey: '',
-    clientHoldOffTime: DEFAULT_CLIENT_HOLD_OFF_TIME,
     serverId: DEFAULT_ID_BOOTSTRAP,
-    bootstrapServerAccountTimeout: DEFAULT_BOOTSTRAP_SERVER_ACCOUNT_TIME_OUT
+    serverPublicKey: ''
   };
 }
 
@@ -216,7 +216,7 @@ export function getDefaultProfileObserveAttrConfig(): ObservableAttributes {
     attribute: [],
     telemetry: [],
     keyName: {},
-    attributeLwm2m: []
+    attributeLwm2m: {}
   };
 }
 
@@ -225,8 +225,6 @@ export function getDefaultProfileClientLwM2mSettingsConfig(): ClientLwM2mSetting
     clientOnlyObserveAfterConnect: 1,
     fwUpdateStrategy: 1,
     swUpdateStrategy: 1,
-    fwUpdateResource: DEFAULT_FW_UPDATE_RESOURCE,
-    swUpdateResource: DEFAULT_SW_UPDATE_RESOURCE,
     powerMode: PowerMode.DRX,
     compositeOperationsSupport: false
   };

@@ -1244,6 +1244,7 @@
         "lwm2m": {
             "object-list": "Object list",
             "object-list-empty": "No objects selected.",
+            "no-objects-found": "No objects found.",
             "no-objects-matching": "No objects matching '{{object}}' were found.",
             "model-tab": "LWM2M Model",
             "add-new-instances": "Add new instances",