automatically disable sms and web notifications (ie: all notifications) for archived chats

[ralyodio]

This should also be a toggle in user settings to ignore notifications for archived chats. It should be on by default.

[Kawshikk-Shrii]

This should also be a toggle in user settings to ignore notifications for archived chats. It should be on by default.

okk!! can you assign me this work @ralyodio.