[MERGE] Merge pull request #161 from Team-WSS/fix/#160

[FIX] QueryDsl 쿼리에서 발생한 NPE 해결

src/main/java/org/websoso/WSSServer/repository/UserNovelCustomRepositoryImpl.java

@@ -153,7 +153,7 @@ public List<Novel> findTasteNovels(List<Genre> preferGenres) {
  .limit(10)
  .fetch()
  .stream()
- .map(tuple -> tuple.get(novel))
+ .map(tuple -> tuple.get(userNovel.novel))
  .toList();
  }
 }