request full roster if we have no contacts in our current database, in case we cleaned database but not roster_version option. Fixes #5729

[Dicson] differenciate what we get from geoclue and when we get from jabber server. It's different. Fixes #5724

one EntryCompletion cannot be used for 2 Entry. So use 2 EntryCompletion for both server comboboxes in add account wizard. Fixed #5629

[lemonyogster] don't allow to put @ in room entry in join groupchat dialog and automatically switch to server entry. see #5528

don't try to resize groupchat contact list that are not yet re-added to window when we change window mode behaviour. Fixes #5663

[Jingle] Fix misplaced tags in error stanzas ; added error type support (for types other than cancel)