message: Remove useless dispatches
diff: @@ -76,7 +76,6 @@ export default class RoomSearch extends React.PureComponent<IProps, IState> {
  private clearInput = () => {
  if (!this.inputRef.current) return;
  this.inputRef.current.value = "";
  - defaultDispatcher.dispatch({action: Action.StopRoomFilter});
  this.onChange();
  };
  @@ -104,15 +103,9 @@ export default class RoomSearch extends React.PureComponent<IProps, IState> {
  private onFocus = (ev: React.FocusEvent<HTMLInputElement>) => {
  this.setState({focused: true});
  ev.target.select();
  - if (ev.target.value === "") {
  - defaultDispatcher.dispatch({action: Action.StartRoomFilter});
  - }
  };
  private onBlur = (ev: React.FocusEvent<HTMLInputElement>) => {
  - if (ev.target.value === "") {
  - defaultDispatcher.dispatch({action: Action.StopRoomFilter});
  - }
  this.setState({focused: false});
  };
  