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

tests/Controller/Reporting/AbstractUserPeriodControllerTest.php

@@ -18,7 +18,7 @@ use App\Tests\DataFixtures\TimesheetFixtures;
  */
 abstract class AbstractUserPeriodControllerTest extends ControllerBaseTest
 {
-    protected function importReportingFixture(string $role)
+    protected function importReportingFixture(string $role): void
     {
         $fixture = new TimesheetFixtures();
         $fixture->setAmount(50);