repro sample for spring-projects/spring-data-commons#3108

Author: zyro23

Diff for: src/main/java/com/example/demo/DemoApplication.java

@@ -2,7 +2,9 @@
 
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.data.web.config.EnableSpringDataWebSupport;
 
+@EnableSpringDataWebSupport(pageSerializationMode = EnableSpringDataWebSupport.PageSerializationMode.VIA_DTO)
 @SpringBootApplication
 public class DemoApplication {