Add help support for rule node script test dialog

@@ -26,6 +26,10 @@ const PROXY_CONFIG = {
     "target": ruleNodeUiforwardUrl,
     "secure": false,
   },
+  "/assets/help/*/rulenode/**": {
+    "target": ruleNodeUiforwardUrl,
+    "secure": false,
+  },
   "/static/widgets": {
     "target": forwardUrl,
     "secure": false,

@@ -35,7 +35,7 @@ export class NodeScriptTestService {
   }
 
   testNodeScript(script: string, scriptType: string, functionTitle: string,
-                 functionName: string, argNames: string[], ruleNodeId: string): Observable<string> {
+                 functionName: string, argNames: string[], ruleNodeId: string, helpId?: string): Observable<string> {
     if (ruleNodeId) {
       return this.ruleChainService.getLatestRuleNodeDebugInput(ruleNodeId).pipe(
         switchMap((debugIn) => {
@@ -52,18 +52,18 @@ export class NodeScriptTestService {
             msgType = debugIn.msgType;
           }
           return this.openTestScriptDialog(script, scriptType, functionTitle,
-            functionName, argNames, msg, metadata, msgType);
+            functionName, argNames, msg, metadata, msgType, helpId);
         })
       );
     } else {
       return this.openTestScriptDialog(script, scriptType, functionTitle,
-        functionName, argNames);
+        functionName, argNames, null, null, null, helpId);
     }
   }
 
   private openTestScriptDialog(script: string, scriptType: string,
                                functionTitle: string, functionName: string, argNames: string[],
-                               msg?: any, metadata?: {[key: string]: string}, msgType?: string): Observable<string> {
+                               msg?: any, metadata?: {[key: string]: string}, msgType?: string, helpId?: string): Observable<string> {
     if (!msg) {
       msg = {
         temperature: 22.4,
@@ -94,7 +94,8 @@ export class NodeScriptTestService {
           functionName,
           script,
           scriptType,
-          argNames
+          argNames,
+          helpId
         }
       }).afterClosed();
   }

@@ -78,6 +78,7 @@
               [functionArgs]="data.argNames"
               [validationArgs]="[data.msg, data.metadata, data.msgType]"
               resultType="object"
+              [helpId]="data.helpId"
               [fillHeight]="true">
             </tb-js-func>
           </div>

@@ -52,6 +52,7 @@ export interface NodeScriptTestDialogData {
   msg?: any;
   metadata?: {[key: string]: string};
   msgType?: string;
+  helpId?: string;
 }
 
 // @dynamic