Repository: flutter
Issue: SelectionArea when dragged out of the line horizontally, the next line will be selected too.
Labels: framework,has reproducible steps,P2,f: selection,team-framework,triaged-framework,found in release: 3.16,found in release: 3.18

### Is there an existing issue for this?

- [X] I have searched the [existing issues](https://github.com/flutter/flutter/issues)
- [X] I have read the [guide to filing a bug](https://flutter.dev/docs/resources/bug-reports)

### Steps to reproduce

1. run the Code sample 
2. select the first line text, and drag out of current line horizontally
3. see the difference of `SelectionArea` and `SelectableText`

### Expected results

`SelectionArea` should behavior like `SelectableText`, when drag out of current line horizontally, **should not** auto select the next line. 

### Actual results

see the video provide alfter

### Code sample

<details><summary>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(
      title: 'Flutter Demo',
      theme: ThemeData(
        colorScheme: ColorScheme.fromSeed(seedColor: Colors.deepPurple),
        useMaterial3: true,
      ),
      home: const Scaffold(
        body: Column(
          children: [
            Expanded(
              child: SelectionArea(child: Text('Hello World\nHelloWorld')),
            ),
            Expanded(
              child: SelectableText('Hello World\nHelloWorld'),
            ),
          ],
        ),
      ),
    );
  }
}

```

</details>


### Screenshots or Video

<details>
<summary>Screenshots / Video demonstration</summary>

[Upload media here]

https://github.com/flutter/flutter/assets/17426470/c114076f-fe33-41b8-83c8-f9f995ddda5d



</details>


### Logs

<details><summary>Logs</summary>

```console
[Paste your logs here]
```

</details>


### Flutter Doctor output

<details><summary>Doctor output</summary>

```console
➜  my_app flutter doctor -v
[✓] Flutter (Channel stable, 3.16.3, on macOS 14.1.2 23B92 darwin-arm64, locale
    zh-Hans-CN)
    • Flutter version 3.16.3 on channel stable at
      /Users/yangbin/fvm/versions/stable
    • Upstream repository https://github.com/flutter/flutter.git
    • Framework revision b0366e0a3f (5 days ago), 2023-12-05 19:46:39 -0800
    • Engine revision 54a7145303
    • Dart version 3.2.3
    • DevTools version 2.28.4

[!] Android toolchain - develop for Android devices (Android SDK version 34.0.0)
    • Android SDK at /Users/yangbin/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 15.0)
    • Xcode at /Applications/Xcode.app/Contents/Developer
    • Build 15A240d
    • CocoaPods version 1.14.3

[✓] Chrome - develop for the web
    • Chrome at /Applications/Google Chrome.app/Contents/MacOS/Google Chrome

[✓] Android Studio (version 2023.1)
    • Android Studio at /Users/yangbin/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
      17.0.7+0-17.0.7b1000.6-10550314)

[✓] IntelliJ IDEA Ultimate Edition (version 2023.3)
    • IntelliJ at /Users/yangbin/Applications/IntelliJ IDEA Ultimate.app
    • Flutter plugin version 77.0.1
    • Dart plugin version 233.11799.172

[✓] VS Code (version 1.84.2)
    • VS Code at /Applications/Visual Studio Code.app/Contents
    • Flutter extension version 3.78.0

[!] Proxy Configuration
    • HTTP_PROXY is set
    • NO_PROXY is dl.google.com,localhost,127.0.*,192.168.*,127.0.0.1
    • NO_PROXY contains localhost
    • NO_PROXY contains 127.0.0.1
    ! NO_PROXY does not contain ::1

[✓] Connected device (2 available)
    • macOS (desktop) • macos  • darwin-arm64   • macOS 14.1.2 23B92
      darwin-arm64
    • Chrome (web)    • chrome • web-javascript • Google Chrome 120.0.6099.71
    ! Device RF8M71K7DQD is offline.
    ! Error: Browsing on the local area network for Bin’s iPhone . Ensure the
      device is unlocked and attached with a cable or associated with the same
      local area network as this Mac.
      The device must be opted into Developer Mode to connect wirelessly. (code
      -27)

[✓] Network resources
    • All expected network resources are available.

! Doctor found issues in 2 categories.
```

</details>