Catches errors with Intl.NumberFormat and adds fallback #4660
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Issue
Closes #4630, closes #4570, closes #4533
Description
This catches exceptions where browsers don't support Intl.NumberFormat with unit param.
I considered if we could test in a smarter way, but seeing as formatJS also does a try-catch to check if it should polyfill, I reckon it should be fine to do the same :)
Preview
Only tested by throwing inside the try block, haven't actually tested on an older version of Safari