HistoryItem are sometimes skipped on back/forward navigation on GitHub.com.
<rdar://98392025>
Pull request: https://github.com/WebKit/WebKit/pull/3285
Committed 253405@main (165f03cc6003): <https://commits.webkit.org/253405@main> Reviewed commits have been landed. Closing PR #3285 and removing active labels.
*** Bug 244550 has been marked as a duplicate of this bug. ***