message: Fixing tags dropdown behavior in edit view
diff: ConfirmCompletion="autoComplete_OnConfirmCompletion"
  ConfirmWithoutCompletion="autoComplete_OnConfirmWithoutCompletion"
  KeepOpenWhenSelecting="True"
  - StaysOpen="True"
  + StaysOpen="False"
  IsOpenChanged="AutoComplete_OnIsOpenChanged"
  ActionButtonText="{Binding ElementName=textBox, Path=Text, Converter={StaticResource StringFormatIfNotEmptyConverter}, ConverterParameter='Add tag &quot;{0}&quot;'}"
  ActionButtonClick="AutoComplete_OnActionButtonClick"/>
  