[DISCUSS] How to handle connection issues during tasks
If e.g. lazy loading fails any task (e.g. opening term editor) fails just at some undefined moment.
We need to handle this because this may result in completely undefined UI/data model states.
E.g. it happened to me when expanding a vocabulary in term editor. After this I saw only the vocabulary, the top level NamedArea and 1 single second level area (though the vocabulary had >50 second level areas and some 3rd level areas). I wasn't sure what happens if I do e.g. save this term editor (worst case: all non shown areas get lost).
We need to find out what exactly happens in this case and how we could handle it (e.g. a special dirty flag which disables the specific editor, or a reload button (if data is not yet dirty), or ...