Crash under ScrollingStateFixedNode::reconcileLayerPositionForViewportRect
<rdar://problem/105887621>
Pull request: https://github.com/WebKit/WebKit/pull/25354
Committed 275574@main (0c592c9b1e0c): <https://commits.webkit.org/275574@main> Reviewed commits have been landed. Closing PR #25354 and removing active labels.