[canvaskit] Cursor is shaped as a dot on canvaskit on MacOS Web

[TahaTesser]

Steps to reproduce

1. Create an app on the latest master
2. Add TextField widget
3. execute flutter run --debug --dart-define=FLUTTER_WEB_USE_SKIA=true -d chrome

Note:
Doesn't reproduce with web HTML. Execute flutter run -d chrome

complete code sample

import 'package:flutter/material.dart';

void main() => runApp(MyApp());

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Material App',
      theme: ThemeData.dark(),
      home: Home(),
    );
  }
}

class Home extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text('Material App Bar'),
      ),
      body: Center(
        child: TextField(),
      ),
      floatingActionButton: FloatingActionButton(
        child: Icon(Icons.add),
        onPressed: () {},
      ),
    );
  }
}

Expected Results
Cursor shape is normal

Actual Results
Cursor is shaped as a dot

Preview on the master channel

Additional context
The cursor is normal on windows when running in canvaskit, Check out #68633 (comment)

Also, the issue doesn't reproduce on the dev channel on Macos

flutter doctor -v

[✓] Flutter (Channel master, 1.24.0-2.0.pre.98, on Mac OS X 10.15.7 19H2
    darwin-x64, locale en-GB)
    • Flutter version 1.24.0-2.0.pre.98 at /Users/tahatesser/Code/flutter_master
    • Framework revision a4ac7cce82 (4 hours ago), 2020-10-21 00:46:59 -0400
    • Engine revision c2c74ed708
    • Dart version 2.11.0 (build 2.11.0-240.0.dev)

[✓] Android toolchain - develop for Android devices (Android SDK version 30.0.2)
    • Android SDK at /Users/tahatesser/Code/sdk
    • Platform android-30, build-tools 30.0.2
    • ANDROID_HOME = /Users/tahatesser/Code/sdk
    • Java binary at: /Applications/Android
      Studio.app/Contents/jre/jdk/Contents/Home/bin/java
    • Java version OpenJDK Runtime Environment (build
      1.8.0_242-release-1644-b3-6222593)
    • All Android licenses accepted.

[✓] Xcode - develop for iOS and macOS (Xcode 12.1)
    • Xcode at /Applications/Xcode.app/Contents/Developer
    • Xcode 12.1, Build version 12A7403
    • CocoaPods version 1.10.0.rc.1

[✓] Chrome - develop for the web
    • Chrome at /Applications/Google Chrome.app/Contents/MacOS/Google Chrome

[✓] Android Studio (version 4.1)
    • 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
      1.8.0_242-release-1644-b3-6222593)

[✓] VS Code (version 1.50.1)
    • VS Code at /Applications/Visual Studio Code.app/Contents
    • Flutter extension version 3.15.1

[✓] Connected device (5 available)
    • RMX2001 (mobile)           • EUYTFEUSQSRGDA6D                     •
      android-arm64  • Android 10 (API 29)
    • iPhone 12 Pro Max (mobile) • 1D3E6751-99F7-4E2E-B3DC-B3BEC4BB606F • ios
      • com.apple.CoreSimulator.SimRuntime.iOS-14-1 (simulator)
    • macOS (desktop)            • macos                                •
      darwin-x64     • Mac OS X 10.15.7 19H2 darwin-x64
    • Web Server (web)           • web-server                           •
      web-javascript • Flutter Tools
    • Chrome (web)               • chrome                               •
      web-javascript • Google Chrome 86.0.4240.80

• No issues found!

[github-actions]

This thread has been automatically locked since there has not been any recent activity after it was closed. If you are still experiencing a similar issue, please open a new bug, including the output of flutter doctor -v and a minimal reproduction of the issue.