fixes from dependency updates

src/main/java/com/camunda/poc/starter/CamundaApplication.java

@@ -1,17 +1,27 @@
 package com.camunda.poc.starter;
 
 //import de.codecentric.boot.admin.server.config.EnableAdminServer;
+import com.camunda.poc.starter.data.kase.entity.Case;
+import com.camunda.poc.starter.data.user.entity.User;
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
 import org.springframework.boot.context.properties.EnableConfigurationProperties;
 import org.springframework.context.annotation.ComponentScan;
+import org.springframework.data.rest.core.config.RepositoryRestConfiguration;
+import org.springframework.data.rest.webmvc.config.RepositoryRestConfigurer;
+import org.springframework.web.servlet.config.annotation.CorsRegistry;
 
 @SpringBootApplication()
 //@EnableAdminServer
-public class CamundaApplication {
+public class CamundaApplication implements RepositoryRestConfigurer {
 
 	public static void main(String... args) {
 	    SpringApplication.run(CamundaApplication.class, args);
 	}
 
+	@Override
+	public void configureRepositoryRestConfiguration(RepositoryRestConfiguration config, CorsRegistry cors) {
+		config.exposeIdsFor(User.class);
+		config.exposeIdsFor(Case.class);
+	}
 }