Crashing `flutter-quill` controller listeners

main.dart

import 'package:flutter/material.dart';
import 'package:flutter_quill/widgets/controller.dart';
import 'package:flutter_quill/widgets/editor.dart';
import 'package:flutter_quill/widgets/toolbar.dart';

void main() {
  runApp(
    MaterialApp(
      title: 'Crashing Controller Listeners',
      home: TestEditor(),
    ),
  );
}

class TestEditor extends StatefulWidget {
  @override
  _TestEditorState createState() => _TestEditorState();
}

class _TestEditorState extends State<TestEditor> {
  QuillController _controller = QuillController.basic();

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      body: Center(
        child: Column(
          children: [
            ElevatedButton(
              onPressed: () {
                _controller.dispose();
                setState(() {
                  final myNewController = QuillController.basic();
                  _controller = myNewController;
                });
              },
              child: const Text('Update controller'),
            ),
            QuillToolbar.basic(controller: _controller),
            Expanded(
              child: QuillEditor.basic(
                controller: _controller,
                readOnly: false,
              ),
            ),
          ],
        ),
      ),
    );
  }
}