OZG-6686 fix realmExists call

ozgcloud-keycloak-operator/src/main/java/de/ozgcloud/operator/keycloak/realm/KeycloakRealmReconciler.java

@@ -69,7 +69,7 @@ public class KeycloakRealmReconciler implements Reconciler<OzgCloudKeycloakRealm
 			LOG.info("keep data");
 			return DeleteControl.defaultDelete();
 		}
-		if (!service.realmExists(realm.getMetadata().getName())) {
+		if (!service.realmExists(realm.getMetadata().getNamespace())) {
 			return DeleteControl.defaultDelete();
 		}
 		return deleteRealm(realm);

ozgcloud-keycloak-operator/src/test/java/de/ozgcloud/operator/keycloak/realm/KeycloakRealmReconcilerTest.java

@@ -134,7 +134,7 @@ class KeycloakRealmReconcilerTest {
 			void shouldCallRealmExists() {
 				reconciler.cleanup(realm, null);
 
-				verify(service).realmExists(realm.getMetadata().getName());
+				verify(service).realmExists(OzgCloudKeycloakRealmTestFactory.METADATA_NAMESPACE);
 			}
 
 			@Test