Victor Sanni 96d1b99211
Condense nav bar large title in landscape mode (#166956)
## Rotation demo



https://github.com/user-attachments/assets/b59d6875-dff7-4b40-9525-565dfd8a2554



### Portrait mode .automatic



https://github.com/user-attachments/assets/88f4f3a2-0f13-4c92-b601-20c20e13f7dc



### Landscape mode .automatic



https://github.com/user-attachments/assets/dd5e2373-82e3-41fc-8e83-4002ce5e848e



### Portrait mode .always



https://github.com/user-attachments/assets/623d131a-f71b-430d-b84c-0b4519919f56



### Landscape mode .always



https://github.com/user-attachments/assets/5980e8fe-a981-482d-9f77-97f9ab7495c7



Fixes [CupertinoSliverNavigationBar doesn't become compact in landscape
mode](https://github.com/flutter/flutter/issues/39254)

<details>
<summary>Sample code</summary>

```dart

import 'package:flutter/cupertino.dart';

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

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

  @override
  Widget build(BuildContext context) {
    return CupertinoApp(
      theme: CupertinoThemeData(),
      home: MainPage(),
    );
  }
}

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

  @override
  Widget build(BuildContext context) {
    return CupertinoPageScaffold(
      child: SafeArea(
        child: CustomScrollView(
          slivers: [
            CupertinoSliverNavigationBar.search(
              stretch: true,
              searchField: CupertinoSearchTextField(
                  suffixMode: OverlayVisibilityMode.always,
                  suffixIcon: Icon(
                    CupertinoIcons.mic_solid,
                  )),
              largeTitle: Text('Lists'),
              bottomMode: NavigationBarBottomMode.always,
            ),
            SliverList(
              delegate: SliverChildBuilderDelegate(
                (BuildContext context, int index) {
                  return CupertinoListTile(
                    title: Text('Entry $index'),
                  );
                },
                childCount: 20,
              ),
            ),
          ],
        ),
      ),
    );
  }
}


```

</details>
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This directory contains tools and resources that the Flutter team uses during the development of the framework. The tools in this directory should not be necessary for developing Flutter applications, though of course, they may be interesting if you are curious.

The tests in this directory are run in the framework_tests_misc-* shards.