4.18v

1. Auto responder can be assigned to multiple departments at once.
2. Replaceable variables can have active period per replace.
3. Respect operator permission for calls module before showing call icon in the widget.
4. Fast typing fixes for canned messages.
5. Dark mode fixes after migration to bootstrap 5.
6. Widgets will show how long it took to fetch specific widget information.

execute doc/update_db/update_290.sql for update