Fix view and select collections for content-creation

src/app/components/creator/content-creator/content-creator.component.html

@@ -12,7 +12,7 @@
   <input matInput #group matInput [formControl]="myControl" [matAutocomplete]="auto"
          value={{lastCollection}} placeholder="{{'content.collection' | translate}}"/>
   <mat-autocomplete #auto="matAutocomplete">
-    <mat-option *ngFor="let collection of collections" [value]="collection">
+    <mat-option *ngFor="let collection of contentGroups" [value]="collection.name">
       {{collection.name}}
     </mat-option>
   </mat-autocomplete>

src/app/components/creator/content-creator/content-creator.component.ts

@@ -28,7 +28,7 @@ export class ContentCreatorComponent extends RoomPageComponent implements OnInit
     1,
     [],
   );
-  collections: ContentGroup[];
+  contentGroups: ContentGroup[];
   lastCollection: string;
   myControl = new FormControl();
 
@@ -52,8 +52,9 @@ export class ContentCreatorComponent extends RoomPageComponent implements OnInit
 
   getRoom(id: string): void {
     this.roomService.getRoomByShortId(id).subscribe(room => {
-      this.collections = room.contentGroups;
+      this.contentGroups = room.contentGroups;
     });
+
   }
 
   resetInputs() {