GroupchatControl: Fix DND
Fixes #10322 (closed) (DND for file transfers and invites in group chats).
What needs to be fixed:
Notification '0 new messages' shown when sending file via DND to group chat.
Fixes #10322 (closed) (DND for file transfers and invites in group chats).
What needs to be fixed:
Notification '0 new messages' shown when sending file via DND to group chat.