message: Check that the navigation bar is in the top view controller before modifying hidden prop
diff: - (void)didSetProps:(NSArray<NSString *> *)changedProps
  {
  [super didSetProps:changedProps];
  - if ([changedProps containsObject:@"hidden"]) {
  + if (self.reactViewController == self.reactViewController.navigationController.topViewController) {
  [self.reactViewController.navigationController setNavigationBarHidden:self.hidden];
  }
  if ([changedProps containsObject:@"title"]) {
  