[feat] window.alert api should work within iframes in mac

[abose]

Describe the problem

window.alert, prompt and confirm APIs wont work in iframe in macos. It works in webkit in linux though.

Describe the solution you'd like

The apis should work in all platforms as expected.

This was fixed in windows, wors as expected in Linux.

Alternatives considered

No response

Additional context

More details can be found here:
https://discord.com/channels/616186924390023171/1258736272814374964

from @FabianLars

Hmm, it's probably just macos being stricter again as always. There are 3 obj-c callbacks (for alert here) we should be able to use to overwrite the behavior / expose a callback to the devs.
With the current semi feature freeze due to RC i doubt we can get it in for 2.0.0 but should be possible soon after.