Make naming of variables consistent with SpecificLayoutInfo (#35104)

This is a followup to #34926.

Fixes #35078.

Signed-off-by: Martin Robinson <mrobinson@igalia.com>

components/layout_2020/display_list/mod.rs

@@ -904,7 +904,7 @@ impl<'a> BuilderForBoxFragment<'a> {
 
     fn build_collapsed_table_borders(&mut self, builder: &mut DisplayListBuilder) {
         let Some(SpecificLayoutInfo::TableGridWithCollapsedBorders(table_info)) =
-            &self.fragment.detailed_layout_info
+            &self.fragment.specific_layout_info
         else {
             return;
         };