Add Safari versions for SVGPolylineElement API (#8555)
Add Safari versions for SVGPolylineElement API (#8555)

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

Test Code Used: `document.createElementNS('http://www.w3.org/2000/svg', 'polyline')`
chrisdavidmills/browser-compat-data,mdn/browser-compat-data,mdn/browser-compat-data,chrisdavidmills/browser-compat-data