Repository: flutter
Issue: [Windows]TextFormField on Desktop is missing the alternate Shortcuts for copy, cut, paste.
Labels: a: text input,c: new feature,framework,platform-windows,c: proposal,a: desktop,P3,team-windows,triaged-windows

## Steps to Reproduce

Create a Windows Desktop app.
Either copy my below code or add a TextFormField.
Start the app.
Click the TextFormField to begin editing.

Type this text:  Flutter Rocks

Attempt to use these below Shortcuts to copy, cut, and paste text.

`CTRL + Insert` - copies the selected text into the clipboard.
`SHIFT + Insert` - pastes the clipboard text into the text field at the insertion point.
`SHIFT + Delete` - cuts the currently selected text, and copies it to the clipboard.

**Expected results:** 
Windows users expect these shortcuts to work when editing text.

Thank you for adding these to the SDK and have a great day!!

**Actual results:** 
Nothing happens.

<details>
<summary>Code sample</summary>



```dart
import 'package:flutter/material.dart';

void main() {
  runApp(const MyApp());
}

class MyApp extends StatelessWidget {
  const MyApp({Key? key}) : super(key: key);

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      debugShowCheckedModeBanner: false,
      title: 'Flutter Demo',
      theme: ThemeData(
        primarySwatch: Colors.blue,
      ),
      home: const HomePage(),
    );
  }
}

class HomePage extends StatelessWidget {
  const HomePage({Key? key}) : super(key: key);

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      body: Padding(
        padding: const EdgeInsets.all(20.0),
        child: Column(
          mainAxisAlignment: MainAxisAlignment.start,
          crossAxisAlignment: CrossAxisAlignment.stretch,
          children: [
            TextFormField(),
            TextFormField(),
          ],
        ),
      ),
    );
  }
}

```

</details>

<details>
  <summary>Logs</summary>

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```
```

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```
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<!-- Finally, paste the output of running `flutter doctor -v` here. -->

```
>flutter doctor -v
[√] Flutter (Channel stable, 2.10.1, on Microsoft Windows [Version 10.0.19043.1526], locale en-US)
    • Flutter version 2.10.1 at D:\flutter
    • Upstream repository https://github.com/flutter/flutter.git
    • Framework revision db747aa133 (12 days ago), 2022-02-09 13:57:35 -0600
    • Engine revision ab46186b24
    • Dart version 2.16.1
    • DevTools version 2.9.2

[√] Android toolchain - develop for Android devices (Android SDK version 31.0.0-rc1)
    • Android SDK at C:\Users\kdawg\AppData\Local\Android\sdk
    • Platform android-31, build-tools 31.0.0-rc1
    • Java binary at: C:\Program Files\Android\Android Studio\jre\bin\java
    • Java version OpenJDK Runtime Environment (build 11.0.11+9-b60-7590822)
    • All Android licenses accepted.

[√] Chrome - develop for the web
    • Chrome at C:\Program Files\Google\Chrome\Application\chrome.exe

[√] Visual Studio - develop for Windows (Visual Studio Community 2019 16.11.10)
    • Visual Studio at C:\Program Files (x86)\Microsoft Visual Studio\2019\Community
    • Visual Studio Community 2019 version 16.11.32126.315
    • Windows 10 SDK version 10.0.19041.0

[√] Android Studio (version 2021.1)
    • Android Studio at C:\Program Files\Android\Android Studio
    • Flutter plugin can be installed from:
       https://plugins.jetbrains.com/plugin/9212-flutter
    • Dart plugin can be installed from:
       https://plugins.jetbrains.com/plugin/6351-dart
    • Java version OpenJDK Runtime Environment (build 11.0.11+9-b60-7590822)

[√] VS Code (version 1.64.2)
    • VS Code at C:\Users\kdawg\AppData\Local\Programs\Microsoft VS Code
    • Flutter extension version 3.34.0

[√] Connected device (3 available)
    • Windows (desktop) • windows • windows-x64    • Microsoft Windows [Version 10.0.19043.1526]
    • Chrome (web)      • chrome  • web-javascript • Google Chrome 98.0.4758.102
    • Edge (web)        • edge    • web-javascript • Microsoft Edge 98.0.1108.56

[√] HTTP Host Availability
    • All required HTTP hosts are available

• No issues found!
```

</details>