SliverAppbar does not expand when using ios accessibility focus traversal #61360

import 'package:flutter/material.dart';

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

class Demo extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: Scaffold(
        body: CustomScrollView(
          slivers: [
            SliverAppBar(
              pinned: true,
              expandedHeight: 200,
              flexibleSpace: Container(height: 100),
            ),
            SliverList(
              delegate: SliverChildListDelegate([
                for (var i = 0; i < 50; i ++)
                  Text('This is text. ' * 45),
              ]),
            ),
          ],
        ),
      ),
    );
  }
}