Handle "Search for deleted documents" widget for TP 10.1+

Studio offers a "Search for deleted documents?" widget in content views.
This widget needs to be updated for TP 10.1+ to take the ecm:isTrashed property into account.

TODO
For TP 10.1+ (10.1 included)

• Update widget to use the ecm:isTrashed property by default
• Issue a warning when the old widget is used saying:

  Since Nuxeo Server 10.1, searching for deleted documents is done using a dedicated NXQL property and searching them using their life cycle state is deprecated. We recommend you to update your configuration by drag and dropping the updated widget in your form.
  

ACCEPTANCE CRITERIA

• Given my application uses the 10.1 TP
  • When I drag and drop a new "Search for deleted documents?" widget in a content view
  • Then the widget makes use of the ecm:isTrashed Property instead of the document's life cycle state

• Given my application uses the 10.1 TP
  • When my existing configuration makes use of the old "Search for deleted documents?" widget in a content view
  • Then a warning is shown to me