b8752152cf
* Add read all messages feature: read all messages using Client.markAllRoomsAsRead() method * Move the 'mark all rooms as read' footer as part of the list item * Replace `showMarkAllRoomsAsReadConfirmation` and its associated event with `MarkAllRoomsAsRead(val needsConfirmation: Boolean)` and a `AsyncAction.Confirming` state --------- Co-authored-by: Jorge Martín <jorgem@element.io>