Add Safari versions for GlobalEventHandlers API (#8580)
Add Safari versions for GlobalEventHandlers API (#8580)

This PR adds real values for Safari (Desktop and iOS/iPadOS) for the `GlobalEventHandlers` API, based upon manual testing.

Test Code Used: `(window.HANDLER || document.HANDLER)`
mdn/browser-compat-data,chrisdavidmills/browser-compat-data,chrisdavidmills/browser-compat-data,mdn/browser-compat-data