fix smart service process selection

src/app/modules/smart-services/designer/dialog/edit-smart-service-task-dialog/edit-smart-service-task-dialog.component.html

@@ -34,7 +34,7 @@ <h2 mat-dialog-title>Smart-Service Task</h2>
                                      [options]="processModels || []"
                                      (selectionChange)="ensureProcessTaskParameter($event.value)"
                                      useOptionViewProperty="name"
-                                     useOptionValueProperty="id">
+                                     useOptionValueProperty="_id">
               </senergy-select-search>
               <mat-error senergyError label="Process Model"></mat-error>
             </mat-form-field>