[BW]: [Fix] https://github.com/InvictusInnovations/keyhotee/issues/176
[BW]: [Fix] https://github.com/InvictusInnovations/keyhotee/issues/175
[BW]: [NIP] Mail editor 'From' controls are automatically displayed when multiple identies are defined.
[BW]: [NIP] Contact editor completer displays tooltip when no contact is defined (previously nothing happened).