Repository: flutter
Issue: [webview_flutter] Physical keyboard: arrow keys not working
Labels: platform-android,platform-ios,p: webview,package,p: webview-keyboard,team-ecosystem,has reproducible steps,P2,found in release: 2.10,found in release: 2.13,triaged-ecosystem

## Steps to Reproduce

<!-- Please include full steps to reproduce so that we can reproduce the problem. -->

1. Execute `flutter run` on the code sample <!-- (see "Code sample" section below) --> (iOS Simulator or iPad with bluetooth keyboard)
2. Enter some text into the search field and press left arrow key

**Expected results:**
Cursor should move left

**Actual results:**
Cursor does not move

<details>
<summary>Code sample</summary>

```dart
import 'package:flutter/material.dart';
import 'package:webview_flutter/webview_flutter.dart';

void main() {
  runApp(const MyApp());
}

class MyApp extends StatelessWidget {
  const MyApp({Key? key}) : super(key: key);

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: WebView(
        initialUrl: 'https://duckduckgo.com/',
      ),
    );
  }
}

```

</details>

<details>
  <summary>Logs</summary>

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```
```

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     Run `flutter analyze` and attach any output of that command below.
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```
```

<!-- Finally, paste the output of running `flutter doctor -v` here. -->

```
[✓] Flutter (Channel stable, 2.10.5, on macOS 12.3.1 21E258 darwin-x64, locale en-DE)
    • Flutter version 2.10.5 at /Users/***/dev/flutter
    • Upstream repository https://github.com/flutter/flutter.git
    • Framework revision 5464c5bac7 (7 days ago), 2022-04-18 09:55:37 -0700
    • Engine revision 57d3bac3dd
    • Dart version 2.16.2
    • DevTools version 2.9.2

[✓] Android toolchain - develop for Android devices (Android SDK version 31.0.0)
    • Android SDK at /Users/devopsds/Library/Android/sdk
    • Platform android-31, build-tools 31.0.0
    • Java binary at: /Applications/Android Studio.app/Contents/jre/Contents/Home/bin/java
    • Java version OpenJDK Runtime Environment (build 11.0.10+0-b96-7281165)
    • All Android licenses accepted.

[✓] Xcode - develop for iOS and macOS (Xcode 13.2.1)
    • Xcode at /Applications/Xcode.app/Contents/Developer
    • CocoaPods version 1.11.2

[✓] Chrome - develop for the web
    • Chrome at /Applications/Google Chrome.app/Contents/MacOS/Google Chrome

[✓] Android Studio (version 2020.3)
    • 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 11.0.10+0-b96-7281165)

[✓] VS Code (version 1.66.2)
    • VS Code at /Applications/Visual Studio Code.app/Contents
    • Flutter extension version 3.38.1

[✓] Connected device (2 available)
    • iPad (9th generation) (mobile) • 35ED2CBC-915D-4737-93BD-13CC3F249CFD • ios            • com.apple.CoreSimulator.SimRuntime.iOS-15-2 (simulator)
    • Chrome (web)                   • chrome                               • web-javascript • Google Chrome 100.0.4896.127

[✓] HTTP Host Availability
    • All required HTTP hosts are available

• No issues found!
```

</details>


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