Update infopanel class safe list entry

Updated the safe list entry to make the .closed class not get purged.

tailwind.config.js

@@ -11,7 +11,7 @@ module.exports = {
       '.modal-title',
       '.modal-closer',
       '.modal-body',
-      ".closed"
+      'closed',
     ]
   },
   darkMode: false, // or 'media' or 'class'