Taha Tesser e85340e1e4

Deprecate ButtonBar, ButtonBarThemeData, and ThemeData.buttonBarTheme (#145523) ...

fixes [Deprecate `ButtonBar`](https://github.com/flutter/flutter/issues/127955)

### Code sample

<details>
<summary>expand to view the code sample</summary> 

```dart
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(
      theme: ThemeData(
        buttonBarTheme: const ButtonBarThemeData(
          alignment: MainAxisAlignment.spaceEvenly,
        ),
      ),
      home: Scaffold(
        body: ButtonBar(
          alignment: MainAxisAlignment.spaceEvenly,
          children: <Widget>[
            TextButton(
              onPressed: () {},
              child: const Text('Button 1'),
            ),
            TextButton(
              onPressed: () {},
              child: const Text('Button 2'),
            ),
            TextButton(
              onPressed: () {},
              child: const Text('Button 3'),
            ),
          ],
        ),
      ),
    );
  }
}
```

</details>

## Data driven fix

### Before executing `dart fix --apply`
```dart
  return MaterialApp(
      theme: ThemeData(
        buttonBarTheme: const ButtonBarThemeData(
          alignment: MainAxisAlignment.spaceEvenly,
        ),
      ),
      home: Scaffold(
        body: ButtonBar(
          alignment: MainAxisAlignment.spaceEvenly,
          children: <Widget>[
            TextButton(
              onPressed: () {},
              child: const Text('Button 1'),
            ),
            TextButton(
              onPressed: () {},
              child: const Text('Button 2'),
            ),
            TextButton(
              onPressed: () {},
              child: const Text('Button 3'),
            ),
          ],
        ),
      ),
    );
```

### After executing `dart fix --apply`
```dart
    return MaterialApp(
      theme: ThemeData(

      ),
      home: Scaffold(
        body: OverflowBar(
          alignment: MainAxisAlignment.spaceEvenly,
          children: <Widget>[
            TextButton(
              onPressed: () {},
              child: const Text('Button 1'),
            ),
            TextButton(
              onPressed: () {},
              child: const Text('Button 2'),
            ),
            TextButton(
              onPressed: () {},
              child: const Text('Button 3'),
            ),
          ],
        ),
      ),
    );
```

2024-04-01 11:39:48 +00:00

..

fix_app_bar_theme.yaml

…

fix_app_bar.yaml

…

fix_button_bar.yaml

Deprecate ButtonBar, ButtonBarThemeData, and ThemeData.buttonBarTheme (#145523)

2024-04-01 11:39:48 +00:00

fix_color_scheme.yaml

…

fix_material.yaml

…

fix_sliver_app_bar.yaml

…

fix_text_theme.yaml

…

fix_theme_data.yaml

Deprecate ButtonBar, ButtonBarThemeData, and ThemeData.buttonBarTheme (#145523)

2024-04-01 11:39:48 +00:00

fix_widget_state.yaml

…