LibWeb: Make CSSPerspective correctly clamp its input for toMatrix()

Author: https://github.com/Psychpsyo
Commit: edccb92da7
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/6806
Reviewed-by: https://github.com/gmta ✅

Libraries/LibWeb/CSS/CSSPerspective.cpp

@@ -121,7 +121,7 @@ WebIDL::ExceptionOr<GC::Ref<Geometry::DOMMatrix>> CSSPerspective::to_matrix() co
         [&matrix](GC::Ref<CSSNumericValue> const& numeric_value) -> WebIDL::ExceptionOr<void> {
             // NB: to() throws a TypeError if the conversion can't be done.
             auto distance = TRY(numeric_value->to("px"_fly_string))->value();
-            matrix->set_m34(-1 / (distance <= 0 ? 1 : distance));
+            matrix->set_m34(-1 / max(distance, 1));
             return {};
         },
         [](GC::Ref<CSSKeywordValue> const&) -> WebIDL::ExceptionOr<void> {