[BUGFIX] Do not cache DS unless marked static

Prevents issues where “old” record values would be used
on a second request after saving the form.

Close: #1611

Classes/Integration/HookSubscribers/DynamicFlexForm.php

@@ -174,8 +174,7 @@ public function parseDataStructureByIdentifierPreProcess(array $identifier)
             DataStructureProviderInterface::class
         );
         if (count($providers) === 0) {
-            // No Providers detected - we will cache this response
-            $this->configurationService->setInCaches([], true, $identifier);
+            // No Providers detected - return empty data structure (reported as invalid DS in backend)
             return [];
         }
         foreach ($providers as $provider) {
@@ -193,7 +192,6 @@ public function parseDataStructureByIdentifierPreProcess(array $identifier)
         }
 
         $dataStructArray = $this->patchTceformsWrapper($dataStructArray);
-        $this->configurationService->setInCaches($dataStructArray, false, $identifier);
 
         return $dataStructArray;
     }