Fix TimePicker defaults for hourMinuteTextStyle and dayPeriodTextColor for Material 3 (#131253)
fixes [`TimePicker` color and visual issues](https://github.com/flutter/flutter/issues/127035)
## Description
- fixes default text style for `TimePicker`s `hourMinuteTextStyle` and added a todo for https://github.com/flutter/flutter/issues/131247
- fixes correct default color not being accessed for `dayPeriodTextColor`
- Updates tests
### 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(
debugShowCheckedModeBanner: false,
theme: ThemeData(useMaterial3: true),
home: const Example(),
);
}
}
class Example extends StatelessWidget {
const Example({super.key});
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: const Text('Sample'),
),
body: Center(
child: ElevatedButton(
onPressed: () {
showTimePicker(
context: context,
orientation: Orientation.portrait,
initialEntryMode: TimePickerEntryMode.input,
initialTime: TimeOfDay.now(),
builder: (BuildContext context, Widget? child) {
return MediaQuery(
data: MediaQuery.of(context)
.copyWith(alwaysUse24HourFormat: true),
child: child!,
);
},
);
},
child: const Text('Open Time Picker'),
),
),
);
}
}
```
</details>
### Before
### After
7d89617a92