message: Fix the avatar / room name in room preview
  When clicking on rooms from the room directory. When RoomViewStore
  resolved the room alias, it threw away the out-of-band data in the
  process. This must have been broken as part of the ILAG /
  RoomViewStore stuff.
diff: @@ -153,6 +153,7 @@ class RoomViewStore extends Store {
  event_id: payload.event_id,
  highlighted: payload.highlighted,
  room_alias: payload.room_alias,
  + oob_data: payload.oob_data,
  });
  }, (err) => {
  dis.dispatch({
  