.
<rdar://problem/87067434>
Created attachment 448240 [details] Patch
Created attachment 448268 [details] Patch
Comment on attachment 448268 [details] Patch cq- because we are not sure if this is the right approach yet or this might be hiding an actual issue in the isolated tree implementation. See https://bugs.webkit.org/show_bug.cgi?id=234841#c8