GETP-330 fix: 프로젝트 조회 시 의뢰자 정보 미등록한 경우 NPE 발생 오류 해결

Author: scv1702

get-p-application/src/main/java/es/princip/getp/application/project/commission/ProjectDetailResponseMosaicResolver.java

@@ -27,6 +27,9 @@ private ProjectClientResponse mosaicClient(final ProjectClientResponse client) {
     }
 
     private AddressResponse mosaicAddress(final AddressResponse address) {
+        if (address == null) {
+            return null;
+        }
         return new AddressResponse(
             mosaicMessage(address.zipcode()),
             mosaicMessage(address.street()),

get-p-application/src/main/java/es/princip/getp/application/project/commission/dto/response/ProjectClientResponse.java

@@ -1,13 +1,13 @@
 package es.princip.getp.application.project.commission.dto.response;
 
-import static com.fasterxml.jackson.annotation.JsonInclude.Include.NON_NULL;
-
 import com.fasterxml.jackson.annotation.JsonInclude;
-
 import es.princip.getp.application.common.dto.response.AddressResponse;
 
+import static com.fasterxml.jackson.annotation.JsonInclude.Include.NON_NULL;
+
+@JsonInclude(NON_NULL)
 public record ProjectClientResponse(
-    @JsonInclude(NON_NULL) Long clientId,
+    Long clientId,
     String nickname,
     AddressResponse address
 ) {