message: Moved attributes to where they're used
diff: - (void)updateStyle {
  UINavigationBar *navigationBar = self.reactViewController.navigationController.navigationBar;
  - NSMutableDictionary *titleAttributes = [self titleAttributes];
  - NSMutableDictionary *largeTitleAttributes = [self largeTitleAttributes];
  - NSMutableDictionary *backAttributes = [self backAttributes];
  if (@available(iOS 13.0, *)) {
  [navigationBar setTintColor: self.tintColor];
  UINavigationBarAppearance *appearance = [UINavigationBarAppearance new];
  [appearance setBackgroundColor:self.barTintColor];
  [appearance.buttonAppearance.normal setTitleTextAttributes:attributes];
  [appearance.doneButtonAppearance.normal setTitleTextAttributes:attributes];
  - [appearance setTitleTextAttributes:titleAttributes];
  - [appearance setLargeTitleTextAttributes:largeTitleAttributes];
  + [appearance setTitleTextAttributes:[self titleAttributes]];
  + [appearance setLargeTitleTextAttributes:[self largeTitleAttributes]];
  appearance.backButtonAppearance = [UIBarButtonItemAppearance new];
  - appearance.backButtonAppearance.normal.titleTextAttributes = backAttributes;
  + appearance.backButtonAppearance.normal.titleTextAttributes = [self backAttributes];
  self.reactViewController.navigationItem.standardAppearance = appearance;
  self.reactViewController.navigationItem.scrollEdgeAppearance = appearance;
  self.reactViewController.navigationItem.compactAppearance = appearance;
  [navigationBar setBackgroundImage:(transparent ? [UIImage new] : nil) forBarMetrics:UIBarMetricsDefault];
  [navigationBar setBarTintColor:self.barTintColor];
  [navigationBar setTintColor: self.tintColor];
  - [navigationBar setTitleTextAttributes:titleAttributes];
  + [navigationBar setTitleTextAttributes:[self titleAttributes]];
  if (@available(iOS 11.0, *)) {
  - [navigationBar setLargeTitleTextAttributes:largeTitleAttributes];
  + [navigationBar setLargeTitleTextAttributes:[self largeTitleAttributes]];
  }
  UINavigationItem *previousNavigationItem = [self previousNavigationItem];
  + NSMutableDictionary *backAttributes = [self backAttributes];
  if ([backAttributes objectForKey:NSFontAttributeName]) {
  NSString *title = self.backTitle ? self.backTitle : previousNavigationItem.title;
  previousNavigationItem.backBarButtonItem = [[UIBarButtonItem alloc] initWithTitle:title style:UIBarButtonItemStylePlain target:nil action:nil];
  