Fix Material 3 AppBar.leading action IconButtons - #154512

import 'package:flutter/material.dart';

void main() => runApp(const MyApp());

class MyApp extends StatelessWidget {
  const MyApp({super.key});

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: Scaffold(
        body: SingleChildScrollView(
          child: Column(
            children: [
              Column(
                spacing: 10.0,
                mainAxisSize: MainAxisSize.min,
                children: <Widget>[
                  AppBar(
                    leading: BackButton(
                      style: IconButton.styleFrom(backgroundColor: Colors.red),
                    ),
                    backgroundColor: Theme.of(context).colorScheme.secondaryContainer,
                    title: const Text('AppBar with BackButton'),
                  ),
                  AppBar(
                    leading: CloseButton(
                      style: IconButton.styleFrom(backgroundColor: Colors.red),
                    ),
                    backgroundColor: Theme.of(context).colorScheme.secondaryContainer,
                    title: const Text('AppBar with CloseButton'),
                  ),
                  AppBar(
                    leading: DrawerButton(
                      style: IconButton.styleFrom(backgroundColor: Colors.red),
                    ),
                    backgroundColor: Theme.of(context).colorScheme.secondaryContainer,
                    title: const Text('AppBar with DrawerButton'),
                  ),
                ],
              ),
              const Divider(),
              Column(
                spacing: 10.0,
                mainAxisSize: MainAxisSize.min,
                children: <Widget>[
                  AppBar(
                    leading: BackButton(
                      style: IconButton.styleFrom(backgroundColor: Colors.red),
                    ),
                    backgroundColor: Theme.of(context).colorScheme.secondaryContainer,
                    toolbarHeight: 100.0,
                    title: const Text('AppBar with custom height'),
                  ),
                  AppBar(
                    leading: CloseButton(
                      style: IconButton.styleFrom(backgroundColor: Colors.red),
                    ),
                    backgroundColor: Theme.of(context).colorScheme.secondaryContainer,
                    toolbarHeight: 100.0,
                    title: const Text('AppBar with custom height'),
                  ),
                  AppBar(
                    leading: DrawerButton(
                      style: IconButton.styleFrom(backgroundColor: Colors.red),
                    ),
                    backgroundColor: Theme.of(context).colorScheme.secondaryContainer,
                    toolbarHeight: 100.0,
                    title: const Text('AppBar with custom height'),
                  ),
                ],
              ),
            ],
          ),
        ),
      ),
    );
  }
}