Fix autocomplete on enter

src/app/components/autocomplete-select/autocomplete-select.component.html

@@ -12,7 +12,7 @@
       <mat-option
         *ngFor="let object of filteredPossibleObjects"
         [value]="nameToShowInSelection(object)"
-        (click)="onOptionClicked($event, object, trigger)"
+        (onSelectionChange)="onOptionSelected(object, trigger)"
       >
         {{ nameToShowInSelection(object) }}
       </mat-option>

src/app/components/autocomplete-select/autocomplete-select.component.ts

@@ -68,13 +68,14 @@ export class AutocompleteSelectComponent implements OnInit {
       .valueChanges.subscribe(() => this.filterPossibleObjects());
   }
 
-  onOptionClicked(event: Event, element: any, trigger: MatAutocompleteTrigger) {
-    event.stopPropagation();
+  onOptionSelected(element: any, trigger: MatAutocompleteTrigger) {
     if (this.keepAutocompleteOpenAfterClick) {
       trigger.openPanel();
     }
-    this.addForm.get('addGroup').reset();
+    this.addForm.get('addGroup').setValue('');
     this.selectedElementChange.emit(element);
+
+    this.filterPossibleObjects();
   }
 
   filterPossibleObjects() {