Land baselines for imported/w3c/web-platform-tests/html/browsers/browsing-the-web/navigating-across-documents/replace-before-load/ tests.
Pull request: https://github.com/WebKit/WebKit/pull/2963
Committed 253081@main (d8afd4b7f077): <https://commits.webkit.org/253081@main> Reviewed commits have been landed. Closing PR #2963 and removing active labels.
<rdar://problem/98060702>