<hr> with display:inline-block should not have special <hr> treatment in editing code. This gets hit in this test because inlinification of <ruby> content.
<rdar://problem/119659338>
Pull request: https://github.com/WebKit/WebKit/pull/21786
Committed 272040@main (e44bf50fe791): <https://commits.webkit.org/272040@main> Reviewed commits have been landed. Closing PR #21786 and removing active labels.