If canPaintSelectionIntoOwnedLayer() is false, we hit errors where the webcontent process is trying to use an IOSurface buffer in the selection layer.
<rdar://problem/127462832>
Pull request: https://github.com/WebKit/WebKit/pull/28070
Committed 278295@main (a2d74c7f5577): <https://commits.webkit.org/278295@main> Reviewed commits have been landed. Closing PR #28070 and removing active labels.