message: Select first item during autocompletion (win)
diff: @@ -72,13 +72,17 @@ namespace TogglDesktop.AutoCompletion
  public IList<ListBoxItemViewModel> VisibleItems
  {
  get => _selectionManager.Items;
  - private set => _selectionManager.Items = value;
  + private set
  + {
  + _selectionManager.Items = value;
  + if (ListBox != null) ListBox.ItemsSource = value;
  + }
  }
  +
  public void FillList(ListBox listBox)
  {
  - VisibleItems = _fullItemsList;
  ListBox = listBox;
  - ListBox.ItemsSource = VisibleItems;
  + VisibleItems = _fullItemsList;
  }
  public void Complete(string input)
  @@ -99,7 +103,8 @@ namespace TogglDesktop.AutoCompletion
  filterWords.All(word => item.Text.IndexOf(word, StringComparison.OrdinalIgnoreCase) != -1))
  .AppendIfEmpty(() => new CustomTextItemViewModel("No matching tags", "Press Enter to add it as a tag"))
  .ToList();
  - ListBox.ItemsSource = VisibleItems;
  +
  + this._selectionManager.SelectFirstItem();
  }
  public void SelectNext()
  