ActionController::backend(): Add condition to check which backend sho…

…uld be used

- If both are available

library/Director/Web/Controller/ActionController.php

@@ -11,6 +11,7 @@
 use Icinga\Module\Director\Integration\Icingadb\IcingadbBackend;
 use Icinga\Module\Director\Integration\BackendInterface;
 use Icinga\Module\Director\Integration\MonitoringModule\Monitoring;
+use Icinga\Module\Director\ProvidedHook\Icingadb\IcingadbSupport;
 use Icinga\Module\Director\Web\Controller\Extension\CoreApi;
 use Icinga\Module\Director\Web\Controller\Extension\DirectorDb;
 use Icinga\Module\Director\Web\Controller\Extension\RestApi;
@@ -255,7 +256,7 @@ protected function backend(): BackendInterface
                 $modules->loadEnabledModules();
             }
 
-            if ($modules->hasLoaded('icingadb')) {
+            if ($modules->hasLoaded('icingadb') && IcingadbSupport::useIcingaDbAsBackend()) {
                 $this->backend = new IcingadbBackend();
             } else {
                 $this->backend = new Monitoring();