feat: add implicit default menu for macOS only, closes #4551

[amrbashir]

What kind of change does this PR introduce?

• Bugfix
• Feature
• Docs
• New Binding issue #___
• Code style update
• Refactor
• Build-related changes
• Other, please describe:

Does this PR introduce a breaking change?

• Yes, and the changes were approved in issue #___
• No

Checklist

• When resolving issues, they are referenced in the PR's title (e.g fix: remove a typo, closes #___, #___)
• A change file is added if any packages will require a version bump due to this PR per the instructions in the readme.
• I have added a convincing reason for adding this feature, if necessary

Other information

[flappyBug]

It looks like enable_macos_default_menu cannot be set to false. Neither by construction nor by mutation. There is no way to disable menu for macOS.

[amrbashir]

@flappyBug thanks for reporting that, I will open a PR shortly.

[amrbashir]

here it is #5756