Fixes #7089 FE.type=extra: value already set in SIP store

extension/qfq/qfq/AbstractBuildForm.php

@@ -2093,7 +2093,7 @@ abstract class AbstractBuildForm {
     public function buildExtra(array $formElement, $htmlFormElementName, $value, array &$json, $mode = FORM_LOAD) {
 
         if ($mode === FORM_LOAD) {
-            $this->store->setVar($formElement[FE_NAME], $value, STORE_SIP, false);
+            $this->store->setVar($formElement[FE_NAME], $value, STORE_SIP, true);
         }
 
         return;