servo: Merge #16580 - Fix parent element of pseudo element for updating animation (from hiikezoe:fix-pseudo-parent-for-animation); r=emilio

r? @emilio

Source-Repo: https://github.com/servo/servo
Source-Revision: 733820583e41778b8e30faa4ba120ab0b0390073

--HG--
extra : subtree_source : https%3A//hg.mozilla.org/projects/converted-servo-linear
extra : subtree_revision : cd0558b6e475aa40cd2f5a35cbefd2b3ddbe3b8f

servo/components/style/gecko/wrapper.rs

@@ -683,7 +683,7 @@ impl<'le> TElement for GeckoElement<'le> {
             *HasArcFFI::arc_as_borrowed(v)
         );
 
-        let parent_element = if pseudo.is_some() {
+        let parent_element = if pseudo.is_none() {
             self.parent_element()
         } else {
             Some(*self)