[scroll-anchoring] Keyboard scrolling into a rubberband leaves the page stuck at a bad scroll offset
<rdar://problem/120053910>
Pull request: https://github.com/WebKit/WebKit/pull/22369
Committed 272657@main (50c9dcae7344): <https://commits.webkit.org/272657@main> Reviewed commits have been landed. Closing PR #22369 and removing active labels.