Flutter Web: Missing hover and splash effects on toolbar and sub-menu items

[knips-philip]

On Flutter web, some toolbar and sub-menu items in the image editor lack hover and splash effects.

Missing effects:

• Bottom toolbar (general)
• Brush, Filter, Emoji sub-toolbars

Issue occurs for:
example/lib/main.dart

Flutter doctor:

[✓] Flutter (Channel stable, 3.24.3, on macOS 15.0.1 24A348 darwin-arm64, locale en-NO)
[✓] Android toolchain - develop for Android devices (Android SDK version 34.0.0)
[✓] Xcode - develop for iOS and macOS (Xcode 16.0)
[✓] Chrome - develop for the web
[✓] Android Studio (version 2024.1)
[✓] VS Code (version 1.94.0)
[✓] Connected device (5 available)
[✓] Network resources