fix: 분실물 상세 조회 시 회원 id 반환

Author: d6nggyun

src/main/java/_ITHON/ReturnZone/domain/lostpost/dto/res/LostPostResponseDto.java

@@ -28,6 +28,9 @@ public class LostPostResponseDto {
     @Schema(description = "분실물 제목", example = "소니 헤드셋")
     private final String title;
 
+    @Schema(description = "유저 ID", example = "1")
+    private final Long memberId;
+
     @Schema(description = "유저 프로필", example = "https://your-bucket.s3.ap-northeast-2.amazonaws.com/lostPosts/lostpost1.jpg")
     private final String memberImageUrl;
 
@@ -87,6 +90,7 @@ public class LostPostResponseDto {
     private LostPostResponseDto(LostPost lostPost, Member member, List<SimpleLostPostResponseDto> similarLostPosts) {
         this.lostPostId = lostPost.getId();
         this.title = lostPost.getTitle();
+        this.memberId = member.getId();
         this.memberImageUrl = member.getImageUrl();
         this.nickname = member.getNickname();
         this.timeAgo = TimeUtil.getTimeAgo(lostPost.getCreatedAt());