Sphinx 6.2 fix: add nav.contents where that div.topic is used

Author: hugovk

python_docs_theme/static/pydoctheme_dark.css

@@ -104,7 +104,8 @@ div.warning {
 }
 
 div.topic,
-div.note {
+div.note,
+nav.contents {
     background-color: rgba(255, 255, 255, 0.1);
     border-color: currentColor;
 }