Repository: flutter
Issue: TextField cursor position does not update on tap with chinese characters on iPadOS 15.1
Labels: a: text input,platform-ios,framework,f: material design,a: tablet,e: OS-version specific,team-design,triaged-design

## Steps to Reproduce

1. create a TextFiled in app
2. run in iPadOS 15.2
3. type some chinese word into the TextFiled
4. then click screen to change the cursor position, but it did not work.

**Expected results:**  the cursor change to the click position

**Actual results:** the cursor did not change or it change to ohter place that not I click when I click the screen to change the cursor position



```dart
just normal textfiled no need to copy the code
```

```
[✓] Flutter (Channel stable, 2.10.1, on macOS 12.2.1 21D62 darwin-x64, locale zh-Hans-CN)
    • Flutter version 2.10.1 at /Library/flutter
    • Upstream repository https://github.com/flutter/flutter.git
    • Framework revision db747aa133 (7 days ago), 2022-02-09 13:57:35 -0600
    • Engine revision ab46186b24
    • Dart version 2.16.1
    • DevTools version 2.9.2
    • Pub download mirror https://pub.flutter-io.cn
    • Flutter download mirror https://storage.flutter-io.cn

[!] Android toolchain - develop for Android devices (Android SDK version 30.0.2)
    • Android SDK at /Users/jalor/Library/Android/sdk
    ✗ cmdline-tools component is missing
      Run `path/to/sdkmanager --install "cmdline-tools;latest"`
      See https://developer.android.com/studio/command-line for more details.
    ✗ Android license status unknown.
      Run `flutter doctor --android-licenses` to accept the SDK licenses.
      See https://flutter.dev/docs/get-started/install/macos#android-setup for more details.

[✓] Xcode - develop for iOS and macOS (Xcode 13.2.1)
    • Xcode at /Applications/Xcode.app/Contents/Developer
    • CocoaPods version 1.10.1

[✓] Chrome - develop for the web
    • Chrome at /Applications/Google Chrome.app/Contents/MacOS/Google Chrome

[✓] Android Studio (version 2021.1)
    • Android Studio at /Applications/Android Studio.app/Contents
    • 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+0-b60-7590822)

[✓] IntelliJ IDEA Community Edition (version 2020.1.1)
    • IntelliJ at /Applications/IntelliJ IDEA CE.app
    • 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

[✓] VS Code (version 1.64.2)
    • VS Code at /Applications/Visual Studio Code.app/Contents
    • Flutter extension can be installed from:
      🔨 https://marketplace.visualstudio.com/items?itemName=Dart-Code.flutter

[✓] Connected device (3 available)
    • iPad Air (4th generation) (mobile) • 8DA9C87C-B4FA-4A0D-AE42-0941EF35B7B8 • ios            • com.apple.CoreSimulator.SimRuntime.iOS-15-2 (simulator)
    • macOS (desktop)                    • macos                                • darwin-x64     • macOS 12.2.1 21D62 darwin-x64
    • Chrome (web)                       • chrome                               • web-javascript • Google Chrome 98.0.4758.80

[!] HTTP Host Availability
    ✗ HTTP host https://maven.google.com/ is not reachable. Reason: An error occurred while checking the HTTP host: Operation timed out
```