Fix: 과릿 1.3.4 (#405)

* Fix: 게시글 페이지네이션 쿼리 오류 수정 #402

Author: dl-00-e8

src/main/java/com/selfrunner/gwalit/domain/board/repository/BoardRepositoryImpl.java

@@ -40,7 +40,7 @@ public Slice<BoardMetaRes> findBoardPaginationByCategory(Member m, Long lectureI
                     .leftJoin(lecture).on(board.lecture.lectureId.eq(lecture.lectureId))
                     .leftJoin(member).on(board.member.memberId.eq(member.memberId))
                     .leftJoin(reply).on(board.boardId.eq(reply.board.boardId))
-                    .where(board.lecture.lectureId.eq(lectureId), eqCursorAndCursorCreatedAt(cursor, cursorCreatedAt), checkCategory(category), board.deletedAt.isNull())
+                    .where(board.lecture.lectureId.eq(lectureId), eqCursorAndCursorCreatedAt(cursor, cursorCreatedAt), checkCategory(category), board.deletedAt.isNull(), reply.deletedAt.isNull())
                     .orderBy(board.createdAt.desc(), board.boardId.asc())
                     .groupBy(board.boardId)
                     .limit(pageable.getPageSize() + 1)