fix(main) : 메인페이지 postId 함께 반환

Author: youngseo22

src/main/java/com/example/FixLog/dto/main/MainPagePostResponseDto.java

@@ -9,6 +9,7 @@
 @Getter
 @AllArgsConstructor
 public class MainPagePostResponseDto {
+    private Long postId;
     private String postTitle;
     private String coverImage;
     private List<String> tags;

src/main/java/com/example/FixLog/service/MainPageService.java

@@ -73,6 +73,7 @@ public MainPageResponseDto mainPageView(int sort, int size){
 
         List<MainPagePostResponseDto> postList = posts.stream()
                 .map(post -> new MainPagePostResponseDto(
+                        post.getPostId(),
                         post.getPostTitle(),
                         getDefaultCover(post.getCoverImage()),
                         post.getPostTags().stream()
@@ -115,6 +116,7 @@ public MainPageResponseDto mainPageFullView(int sort, int page, int size){
 
         List<MainPagePostResponseDto> postList = postPage.stream()
                 .map(post -> new MainPagePostResponseDto(
+                        post.getPostId(),
                         post.getPostTitle(),
                         getDefaultCover(post.getCoverImage()),
                         post.getPostTags().stream()