Add 'replaces' tag to mark that the RoomDNDView is a RoomTile

src/components/views/rooms/RoomDNDView.js

@@ -201,4 +201,6 @@ DragSource('RoomTile', roomTileSource, function(connect, monitor) {
         // You can ask the monitor about the current drag state:
         isDragging: monitor.isDragging()
     };
-})(RoomTile));
+})(RoomTile));
+
+module.exports.replaces = 'RoomTile';