app/assets/javascripts/cm_admin/form_validation.js in cm-admin-2.4.2 vs app/assets/javascripts/cm_admin/form_validation.js in cm-admin-2.4.3

@@ -45,10 +45,11 @@
       submit.push(true);
     }
   });
   if (submit.length === 0) {
     $("." + form_class).submit();
-    return $('[data-behaviour="form_submit"]').button("loading");
+    $('[data-behaviour="form_submit_spinner"]').removeClass("visually-hidden");
+    return $('[data-behaviour="form_submit"]').addClass("visually-hidden");
   }
 });
 
 $(document).on("click", '[data-behaviour="discard_form"]', function (e) {
   e.preventDefault();
\ No newline at end of file