Stop using CheckedRef with Style::Resolver. Use WeakRef instead to generate more actionable crashes.
Pull request: https://github.com/WebKit/WebKit/pull/22056
Committed 272309@main (054b954791a5): <https://commits.webkit.org/272309@main> Reviewed commits have been landed. Closing PR #22056 and removing active labels.
<rdar://problem/119898416>