anchor.diff:      var newLimit = getInt(value);
       if (_limit != newLimit) {
         _limit = newLimit;
  -      _filterSuggestions();
  +      _filterScheduled = true;
       }
     }
   
  
positive.code:     if (isSingleSelect && selection.selectedValues.isNotEmpty) {
        _lastSelectedItem = selection.selectedValues.first;
        if (_isInitialized) {
          inputText = itemRenderer(_lastSelectedItem);
        }
      }
  
negative.code:   @Input('selectionOptions')
    @override
    set optionsInput(dynamic value) {
      _filterScheduled = true;
      super.optionsInput = value;
    }
  
  