NoAnimRouter<T>  constructor 
Implementation
NoAnimRouter(this.page, {String? name, Object? arguments})
    : super(
          opaque: false,
          settings: RouteSettings(name: name, arguments: arguments),
          pageBuilder: (context, animation, secondaryAnimation) => page,
          transitionDuration: const Duration(milliseconds: 0),
          transitionsBuilder:
              (context, animation, secondaryAnimation, child) => child);