Add Safari versions for StyleSheet API (#8565)
Add Safari versions for StyleSheet API (#8565)

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

Test Code Used: `document.styleSheets[0]`
mdn/browser-compat-data,mdn/browser-compat-data,chrisdavidmills/browser-compat-data,chrisdavidmills/browser-compat-data