Set gridelements option to not resolve child flexform data

Configuration/TypoScript/Includes/Gridelements.typoscript

@@ -33,4 +33,8 @@ tt_content.gridelements_pi1 {
       default = GridElement
     }
   }
+  dataProcessing.10.default.options {
+    resolveFlexFormData = 1
+    resolveChildFlexFormData = 0
+  }
 }