`transition-duration` property shouldn't allow negative values, as per: - https://w3c.github.io/csswg-drafts/css-transitions/#transition-duration-property This means that StylePropertyMap.set() should wrap the value in a `calc()` when negative, and that the computed value should be clamped to [0, inf].
Pull request: https://github.com/WebKit/WebKit/pull/8016
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Committed 258295@main (ab21f8049d34): <https://commits.webkit.org/258295@main> Reviewed commits have been landed. Closing PR #8016 and removing active labels.
<rdar://problem/103672274>