Fix transform assertion failures in Layout 2013 and Layout 2020 (#30713)

Layout asserts that it never creates stacking contexts that have a zero
scale, yet it doesn't prevent the creation of those stacking contexts.
This change stops their creation at an earlier stage.

Fixes #30118.

components/layout/traversal.rs

@@ -345,7 +345,7 @@ pub struct BuildDisplayList<'a> {
 impl<'a> BuildDisplayList<'a> {
     #[inline]
     pub fn traverse(&mut self, flow: &mut dyn Flow) {
-        if flow.has_non_invertible_transform() {
+        if flow.has_non_invertible_transform_or_zero_scale() {
             return;
         }