Mozilla Firefox: use-after-poison in nsStylePadding::GetPadding

Mozilla bug tracker link: https://bugzilla.mozilla.org/showbug.cgi?id=1340593 There is a use-after-poison issue in Firefox. The vulnerability was confirmed on the nightly ASan build. PoC: padding: inherit; function go var s = menu.style; s.setProperty"scroll-snap-destination", "1px 63%";...