It looks quite bad :(
Created attachment 365687 [details] [Image] Screenshot of Issue (Light)
Created attachment 365688 [details] [Image] Screenshot of Issue (Dark)
Created attachment 365689 [details] Patch
Created attachment 365690 [details] [Image] After Patch is applied (Light)
Created attachment 365691 [details] [Image] After Patch is applied (Dark)
Comment on attachment 365689 [details] Patch Clearing flags on attachment: 365689 Committed r243426: <https://trac.webkit.org/changeset/243426>
All reviewed patches have been landed. Closing bug.
<rdar://problem/49199512>