message: Explain why the breadcrumbs don't need persisting elsewhere
diff: @@ -242,6 +242,9 @@ export default class RoomBreadcrumbs extends React.Component {
  this.refs.scroller.moveToOrigin();
  }
  + // We don't track room aesthetics (badges, membership, etc) over the wire so we
  + // don't need to do this elsewhere in the file. Just where we alter the room IDs
  + // and their order.
  const roomIds = rooms.map((r) => r.room.roomId);
  if (roomIds.length > 0) {
  SettingsStore.setValue("breadcrumb_rooms", null, SettingLevel.ACCOUNT, roomIds);
  