Looking for a position on adding svg support for the async clipboard API (ex. `navigator.clipboard.write`), in a similar manner to the HTML support already added. Thank you!

* Base Specification Title: Clipboard API and events
* Specification or proposal URL: Explainer here
Other information: 
* https://www.chromestatus.com/feature/5125790490427392 has more links
* https://github.com/w3c/editing/issues/305 may also be relevant

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- Darwin Huang