message: Clear currentRoomId when viewing home page, fixing document title
diff: @@ -1016,6 +1016,7 @@ export default class MatrixChat extends React.PureComponent<IProps, IState> {
  this.setStateForNewView({
  view: Views.LOGGED_IN,
  justRegistered,
  + currentRoomId: null,
  });
  this.setPage(PageTypes.HomePage);
  this.notifyNewScreen('home');
  