Let the compiler generate more operator==() in WTF/ now that we allow c++20.
Pull request: https://github.com/WebKit/WebKit/pull/17166
Committed 267427@main (fc1741dbad51): <https://commits.webkit.org/267427@main> Reviewed commits have been landed. Closing PR #17166 and removing active labels.
<rdar://problem/114664966>