message: fix(devtools): properly emit shutdown event on cleanup and call change detector ref to update ui into loading state
diff: @@ -19,8 +19,9 @@ export class AppComponent implements OnInit {
  const cleanup = () => {
  console.log('Cleaning up');
  if (this.messageBus) {
  - this.messageBus.destroy();
  + this.messageBus.emit('shutdown');
  this.messageBus = null;
  + this._cd.detectChanges();
  }
  };
  