message: move nag bar clear statement to any desktop notif toggle not just 0->1
diff: @@ -170,15 +170,15 @@ const Notifier = {
  value: true,
  });
  });
  - // clear the notifications_hidden flag, so that if notifications are
  - // disabled again in the future, we will show the banner again.
  - this.setToolbarHidden(true);
  } else {
  dis.dispatch({
  action: "notifier_enabled",
  value: false,
  });
  }
  + // set the notifications_hidden flag, as the user has knowingly interacted
  + // with the setting we shouldn't nag them any further
  + this.setToolbarHidden(true);
  },
  isEnabled: function() {
  