pub async fn leave_room<'a>(agent: &mut Agent, settings: LeaveRoomSettings<'a>)Expand description
Send a “leave room” request to the server (specifically, an “unavailable” presence stanza).
The returned future will resolve when the request has been sent, not when the room has actually been left.
If successful, a RoomLeft event should be received later as a confirmation. See XEP-0045.
TODO: this method should set autojoin false on bookmark