Repository: flutter
Issue: when using 3-set korean keyboard, textField ignores ' ' - word spacing (space bar key) on Windows
Labels: a: text input,a: internationalization,platform-windows,a: desktop,has reproducible steps,P2,found in release: 3.16,found in release: 3.18,team-windows,triaged-windows

### Steps to reproduce

1. use 3-set korean keyboard (you can also setup windows configure - languages option : korean -> microsoft IME -> 3 set korean
2. input the ' ' (word spacing ) on textField

### Expected results

 ' ' in inputted on textField

### Actual results

spacing word (' ') is not represented.

- onKey() event handler of the focusNode on textField also is not caught ' '


### Code sample

<details open><summary>Code sample</summary>

```dart
import 'package:flutter/material.dart';

void main() {
  runApp(const MyApp());
}

class MyApp extends StatelessWidget {
  const MyApp({super.key});

  // This widget is the root of your application.
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Flutter Demo',
      theme: ThemeData(
        colorScheme: ColorScheme.fromSeed(seedColor: Colors.deepPurple),
        useMaterial3: true,
      ),
      home: const MyHomePage(title: 'Flutter Demo Home Page'),
    );
  }
}

class MyHomePage extends StatefulWidget {
  const MyHomePage({super.key, required this.title});

  final String title;

  @override
  State<MyHomePage> createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
  @override
  Widget build(BuildContext context) {
    return const Scaffold(
      body: Center(child: TextField()),
    );
  }
}
```

</details>


### Flutter Doctor output

<details open><summary>Doctor output</summary>

```console
[√] Flutter (Channel stable, 3.13.9, on Microsoft Windows [Version 10.0.19045.3803], locale ko-KR)
    • Flutter version 3.13.9 on channel stable at C:\flutter
    • Upstream repository https://github.com/flutter/flutter.git
    • Framework revision d211f42860 (8 weeks ago), 2023-10-25 13:42:25 -0700
    • Engine revision 0545f8705d
    • Dart version 3.1.5
    • DevTools version 2.25.0

[√] Windows Version (Installed version of Windows is version 10 or higher)

[!] Android toolchain - develop for Android devices (Android SDK version 33.0.2)
    • Android SDK at C:\Users\aki\AppData\Local\Android\sdk
    X cmdline-tools component is missing
      Run `path/to/sdkmanager --install "cmdline-tools;latest"`
      See https://developer.android.com/studio/command-line for more details.
    X Android license status unknown.
      Run `flutter doctor --android-licenses` to accept the SDK licenses.
      See https://flutter.dev/docs/get-started/install/windows#android-setup for more details.

[√] Chrome - develop for the web
    • Chrome at C:\Program Files (x86)\Google\Chrome\Application\chrome.exe

[√] Visual Studio - develop Windows apps (Visual Studio Professional 2019 16.11.13)
    • Visual Studio at C:\Program Files (x86)\Microsoft Visual Studio\2019\Professional
    • Visual Studio Professional 2019 version 16.11.32413.511
    • Windows 10 SDK version 10.0.19041.0

[√] Android Studio (version 2022.1)
    • 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 11.0.15+0-b2043.56-8887301)

[√] IntelliJ IDEA Ultimate Edition (version 2023.3)
    • IntelliJ at C:\Program Files\JetBrains\IntelliJ IDEA 2022.3.2
    • Flutter plugin version 77.0.1
    • Dart plugin version 233.13135.65

[√] VS Code (version 1.80.0)
    • VS Code at C:\Users\aki\AppData\Local\Programs\Microsoft VS Code
    • Flutter extension version 3.68.0

[√] Connected device (3 available)
    • Windows (desktop) • windows • windows-x64    • Microsoft Windows [Version 10.0.19045.3803]
    • Chrome (web)      • chrome  • web-javascript • Google Chrome 120.0.6099.110
    • Edge (web)        • edge    • web-javascript • Microsoft Edge 120.0.2210.91

[√] Network resources
    • All expected network resources are available.

! Doctor found issues in 1 category.
```

</details>