Add Firefox versions for SVGTransformList API (#7737)
Add Firefox versions for SVGTransformList API (#7737)

This PR adds real values for Firefox for the SVGTransformList API, based upon results from the [mdn-bcd-collector](https://mdn-bcd-collector.appspot.com) project (v1.1.6).  Results are manually confirmed for accuracy.

Tests Used: https://mdn-bcd-collector.appspot.com/tests/api/SVGTransformList
mdn/browser-compat-data,chrisdavidmills/browser-compat-data,chrisdavidmills/browser-compat-data,mdn/browser-compat-data