[Dúvida] Erro na Aplicacão

Minha tela inicial

import 'package:alura_flutter_curso_1/data/task_inherited.dart';
import 'package:alura_flutter_curso_1/screens/form_screen.dart';
import 'package:flutter/material.dart';

class InitialScreen extends StatefulWidget {
  const InitialScreen({Key? key}) : super(key: key);

  @override
  State<InitialScreen> createState() => _InitialScreenState();
}

class _InitialScreenState extends State<InitialScreen> {
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: const Text('Flutter: Primeiros Passos'),
        leading: Icon(Icons.add_task),
      ),
      body: Container(
        color: Color.fromARGB(255, 208, 221, 237),
        child: ListView(
          children: TaskInherited.of(context).taskList,
        ),
      ),
      floatingActionButton: FloatingActionButton(
        onPressed: () {
          Navigator.push(
              context, MaterialPageRoute(builder: (context) => FormScreen()));
        },
        backgroundColor: Colors.blue[100],
        child: const Icon(Icons.add),
      ),
    );
  }
}

meu main que esta com erro na hom...

void main() {
  runApp(const MyApp());
}

class MyApp extends StatefulWidget {
  const MyApp({Key? key}) : super(key: key);

  @override
  State<MyApp> createState() => _MyAppState();
}

class _MyAppState extends State<MyApp> {
  // This widget is the root of your application.
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Flutter Demo',
      theme: ThemeData(
        primarySwatch: Colors.blue,
      ),
      home: TaskInherited(child: const InitialScreen(),),
    );
  }
}

e meu task inherited

class TaskInherited extends InheritedWidget {
  TaskInherited({super.key, required this.child}) : super(child: child);

  final TaskInherited child;

  final List<Tasks> taskList = [
    Tasks('Estudar Flutter', 'assets/images/flutter.png', 3),
    Tasks('Andar de Bike', 'assets/images/bike.webp', 2),
    Tasks('Ler 50 páginas', 'assets/images/ler.jpg', 1),
    Tasks('Meditar', 'assets/images/meditar.jpeg', 4),
    Tasks('Jogar', 'assets/images/jogar.jpg', 0),
  ];

  void newTasks(String name, String image, int difficulty) {
    taskList.add(Tasks(name, image, difficulty));
  }

  static TaskInherited of(BuildContext context) {
    final TaskInherited? result =
        context.dependOnInheritedWidgetOfExactType<TaskInherited>();
    assert(result != null, 'No TaskInherited found in context');
    return result!;
  }

  @override
  bool updateShouldNotify(TaskInherited oldWidget) {
    return oldWidget.taskList.length != taskList.length;
  }
}