do not validate clientIds, becaude they can still be nill from PPF.

Author: JonasVHG

src/Project/Controller/ImportProjectController.php

@@ -26,7 +26,7 @@ public function importProject(string $uuid, Request $request): JsonResponse
         $postedProject = json_decode($request->getContent());
 
         $this->validate(
-            ['userId', 'name', 'summary', 'groupId', 'testApiKeySapi3', 'liveApiKeySapi3', 'testClientId', 'liveClientId', 'state'],
+            ['userId', 'name', 'summary', 'groupId', 'testApiKeySapi3', 'liveApiKeySapi3', 'state'],
             $postedProject
         );