message: Updated navigation only when on top
diff: }
  - (void)updateStyle {
  - UINavigationBar *navigationBar = self.reactViewController.navigationController.navigationBar;
  + UINavigationBar *navigationBar;
  + if (self.reactViewController == self.reactViewController.navigationController.topViewController) {
  + navigationBar = self.reactViewController.navigationController.navigationBar;
  + }
  if (@available(iOS 13.0, *)) {
  [navigationBar setTintColor: self.tintColor];
  UINavigationBarAppearance *appearance = [UINavigationBarAppearance new];
  