dev #53936 : no need to apply variant if its already there

library/Class/Profil/Preferences.php

@@ -67,7 +67,8 @@ class Class_Profil_Preferences {
 
 
   public function applyModulePrefVariant($profile, $module_definition, $variant) {
-    if (!$profile || !$module_definition || !$variant)
+    if (!$profile || !$module_definition || !$variant
+        || $module_definition->getSubAction() == $variant)
       return $this;
 
     $pref = $this->getModulePref($profile, $module_definition);