AutofillGroup with navigation BUG

main.dart

import 'package:flutter/material.dart';

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

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: Scaffold(
        appBar: AppBar(
          title: Text('Screen 1'),
        ),
        body: Builder(
          builder: (context) {
            return AutofillGroup(
              child: TextFormField(
                autofocus: true,
                onChanged: (value) {
                  Navigator.of(context).pushReplacement(MaterialPageRoute(
                    builder: (context) {
                      return Scaffold(
                        appBar: AppBar(
                          title: Text('Screen 2'),
                        ),
                        body: TextField(
                          autofocus: true,
                          onChanged: (value) {},
                        ),
                      );
                    },
                  ));
                },
              ),
            );
          },
        ),
      ),
    );
  }
}