message: When the algorithm changes, re-add the filter listener
diff: @@ -92,8 +92,10 @@ export class RoomListStore2 extends AsyncStore<ActionPayload> {
  this._matrixClient = null;
  this.algorithm.off(LIST_UPDATED_EVENT, this.onAlgorithmListUpdated);
  + this.algorithm.off(FILTER_CHANGED, this.onAlgorithmListUpdated);
  this.algorithm = new Algorithm();
  this.algorithm.on(LIST_UPDATED_EVENT, this.onAlgorithmListUpdated);
  + this.algorithm.on(FILTER_CHANGED, this.onAlgorithmListUpdated);
  }
  // Public for test usage. Do not call this.
  