Refactor: 변환 방식의 일관성 추가

Author: sleepyhoon

src/main/java/io/ejangs/docsa/domain/save/dto/response/SaveGetResponse.java

@@ -6,4 +6,8 @@
 
 public record SaveGetResponse(LocalDateTime updatedAt, List<Map<String, Object>> content) {
 
+    public SaveGetResponse(LocalDateTime updatedAt, List<Map<String, Object>> content) {
+        this.updatedAt = updatedAt.plusHours(9L);
+        this.content = content;
+    }
 }

src/main/java/io/ejangs/docsa/domain/save/dto/response/SaveUpdateResponse.java

@@ -4,4 +4,7 @@
 
 public record SaveUpdateResponse(LocalDateTime updatedAt) {
 
+    public SaveUpdateResponse(LocalDateTime updatedAt) {
+        this.updatedAt = updatedAt.plusHours(9L);
+    }
 }

src/main/java/io/ejangs/docsa/domain/save/util/SaveMapper.java

@@ -9,11 +9,11 @@
 public class SaveMapper {
 
     public static SaveUpdateResponse toSaveUpdateResponse(LocalDateTime localDateTime) {
-        return new SaveUpdateResponse(localDateTime.plusHours(9L));
+        return new SaveUpdateResponse(localDateTime);
     }
 
     public static SaveGetResponse toSaveGetResponse(LocalDateTime localDateTime,
             List<Map<String, Object>> content) {
-        return new SaveGetResponse(localDateTime.plusHours(9L), content);
+        return new SaveGetResponse(localDateTime, content);
     }
 }