Use RoomDataSource to send message, send failure notification on error
Use RoomDataSource to send message, send failure notification on error

Signed-off-by: Joey Watts <dc6fc77cbc70071aff35d08a2da559a18a90c187@gmail.com>

vector-im/riot-ios,vector-im/riot-ios,vector-im/vector-ios,vector-im/riot-ios,vector-im/riot-ios,vector-im/vector-ios,vector-im/riot-ios,vector-im/vector-ios,vector-im/riot-ios