Avoid layout wrong behavior when viewport change

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→ Follow the svb evolution
→ Wrong viewport-relative units behaviour with WKWebView in Web App : https://bugs.webkit.org/show_bug.cgi?id=244264

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https://mastodon.social/@simevidas/110850273255755126

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WebKit issue updated with news cases : https://bugs.webkit.org/show_bug.cgi?id=244264#c2

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Follow-up wrong behavior dvh unit on WebKit: web-platform-tests/interop-2022-viewport#30