refactored repositories and DB queries (#5026)

* removed unused teams from export order
* added new paginator for query instead of querybuilder
* added field hydrate enums
* hide PARTIAL deprecation
* never log deprecations in production
* replaced InvoiceLoader with native Doctrine feature
* prevent excessive permission queries
* support loading customers of team
* improved findByIds
* internalized API
* fix null string deprecations

src/API/ActivityController.php

@@ -68,6 +68,7 @@ final class ActivityController extends BaseApiController
         $user = $this->getUser();
 
         $query = new ActivityQuery();
+        $query->loadTeams();
         $query->setCurrentUser($user);
 
         $order = $paramFetcher->get('order');