OZG-3961 adjust mapper config

src/main/java/de/ozgcloud/operator/keycloak/client/ProtocolMapperRepresentationHelper.java

@@ -90,7 +90,7 @@ class ProtocolMapperRepresentationHelper {
 	Map<String, String> buildOrganisationsEinheitIdLdapMapperConfig() {
 		var config = new HashMap<String, String>();
 		config.put(CONFIG_ACCESS_TOKEN_CLAIM_KEY, "true");
-		config.put(CONFIG_AGGREGATE_ATTRS_KEY, "false");
+		config.put(CONFIG_AGGREGATE_ATTRS_KEY, "true");
 		config.put(CONFIG_CLAIM_NAME_KEY, "organisationseinheitId");
 		config.put(CONFIG_ID_TOKEN_CLAIM_KEY, "true");
 		config.put(CONFIG_JSON_TYPE_LABEL_KEY, "int");

src/test/java/de/ozgcloud/operator/keycloak/client/ProtocolMapperRepresentationHelperTest.java

@@ -268,7 +268,7 @@ class ProtocolMapperRepresentationHelperTest {
 			void shouldSetAggregateAttrs() {
 				var config = buildConfig();
 
-				assertThat(config).containsEntry(ProtocolMapperRepresentationHelper.CONFIG_AGGREGATE_ATTRS_KEY, "false");
+				assertThat(config).containsEntry(ProtocolMapperRepresentationHelper.CONFIG_AGGREGATE_ATTRS_KEY, "true");
 			}
 
 			@Test