[ASD-2483] Validate folder name on change (#3088)

* notify service refactoring
get translate eliminitation in favor of instant
add error event where necessary
fix config problem during test

* fix delete notify test

* remove fdescribe

* fix core test

* errors

* fix types

lib/content-services/folder-directive/folder-edit.directive.ts

@@ -17,7 +17,7 @@
 
 /* tslint:disable:no-input-rename  */
 
-import { Directive, ElementRef, HostListener, Input } from '@angular/core';
+import { Directive, ElementRef, HostListener, Input, Output, EventEmitter } from '@angular/core';
 import { MatDialog, MatDialogConfig } from '@angular/material';
 
 import { MinimalNodeEntryEntity } from 'alfresco-js-api';
@@ -35,6 +35,10 @@ export class FolderEditDirective {
     @Input('adf-edit-folder')
     folder: MinimalNodeEntryEntity;
 
+    /** Emitted when the edit/create folder give error for example a folder with same name already exist */
+    @Output()
+    error: EventEmitter<any> = new EventEmitter<any>();
+
     @HostListener('click', [ '$event' ])
     onClick(event) {
         event.preventDefault();
@@ -63,6 +67,10 @@ export class FolderEditDirective {
         const { dialogRef, dialogConfig, content } = this;
         const dialogInstance = dialogRef.open(FolderDialogComponent, dialogConfig);
 
+        dialogInstance.componentInstance.error.subscribe((error) => {
+            this.error.emit(error);
+        });
+
         dialogInstance.afterClosed().subscribe((node: MinimalNodeEntryEntity) => {
             if (node) {
                 content.folderEdit.next(node);