- fix empty-value serialization

Author: ge94zec

src/main/java/de/tum/cit/aet/core/dto/AnalyzeJobDescriptionRequestDTO.java

@@ -1,6 +1,8 @@
 package de.tum.cit.aet.core.dto;
 
+import com.fasterxml.jackson.annotation.JsonInclude;
 import jakarta.validation.constraints.NotNull;
 import java.util.UUID;
 
+@JsonInclude(JsonInclude.Include.NON_EMPTY)
 public record AnalyzeJobDescriptionRequestDTO(@NotNull UUID jobId, String title, String jobDescriptionEN, String jobDescriptionDE) {}