message: Fix Flair not appearing due to missing this._usersInFlight
diff: @@ -48,6 +48,9 @@ class FlairStore extends EventEmitter {
  // reject: () => {}
  // }
  };
  + this._usersInFlight = {
  + // see _usersPending
  + };
  this._debounceTimeoutID = null;
  }
  