Merge pull request #101 from Team-baebae/feature/answer/#39

chore: Answer 닉네임 수정

Author: jihyo-j

baebae-BE/src/main/java/com/web/baebaeBE/domain/answer/repository/AnswerMapper.java

@@ -24,7 +24,7 @@ public Answer toEntity(AnswerCreateRequest request, Question question, Member me
                 .musicAudioUrl(request.getMusicAudioUrl())
                 .build();
 
-        String senderNickname = question.getSender().getNickname();
+        String senderNickname = question.getNickname();
 
         // Answer 엔티티 생성 및 Music 설정
         Answer answer = Answer.builder()