hotfix: 폴더 내 픽 리스트 조회 read_uncommited로 변경

backend/techpick-api/src/main/java/techpick/api/domain/pick/service/PickService.java

@@ -9,6 +9,7 @@
 
 import org.apache.commons.lang3.ObjectUtils;
 import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Isolation;
 import org.springframework.transaction.annotation.Transactional;
 
 import lombok.RequiredArgsConstructor;
@@ -82,7 +83,7 @@ public List<PickResult.Pick> getFolderChildPickList(Long userId, Long folderId)
 	}
 
 	// 폴더 리스트가 넘어오면, 각 폴더 내부에 있는 픽 리스트 조회
-	@Transactional(readOnly = true)
+	@Transactional(isolation = Isolation.READ_UNCOMMITTED, readOnly = true)
 	public List<PickResult.FolderPickWithViewCountList> getFolderListChildPickList(PickCommand.ReadList command) {
 		return command.folderIdList().stream()
 			.peek(folderId -> validateFolderAccess(command.userId(), folderId))  // 폴더 접근 유효성 검사