[Cocoa] [Downlevels] Out of bounds optical sizing is rendered as the default value instead of clamping
<rdar://problem/111535841>
Pull request: https://github.com/WebKit/WebKit/pull/15474
Committed 266000@main (e9e9b4699c26): <https://commits.webkit.org/266000@main> Reviewed commits have been landed. Closing PR #15474 and removing active labels.