anchor.diff:        }
         var entities = (await this.store.list(this.type, params: params)).toList() as List<T>;
         await postProcessEntities(entities);
  -      entities.forEach(map.add);
  +      entities.forEach(newMap.add);
   
         await runOutsideChangeDetection(() {
           if (overview?.control == null) {
  
positive.code: 
    @override
    Future reload({Map<String, dynamic> params, bool evict: false}) async {
      map = new EntityControlMap<T>(true, fields);
      this.statusservice.setStatusToLoading();
      try {
        if (evict) {
  
negative.code:           return;
          }
          //add our code-generated ControlArray to the rest of the form that's defined in the template
          overview.control.addControl("items", newMap.controlArray);
          map = newMap;
        });
        this.statusservice.setStatusToSuccess();
      } catch (e, stack) {
  