fix: follower 오류 수정

Author: sapiens2000

src/main/java/com/example/log4u/domain/follow/repository/FollowQuerydsl.java

@@ -47,7 +47,7 @@ private List<UserThumbnailResponseDto> getContent(boolean isFollowerQuery, Long
 			.select(Projections.constructor(UserThumbnailResponseDto.class,
 				getNumberPath(!isFollowerQuery),
 				user.nickname,
-				user.nickname))
+				user.profileImage))
 			.where(builder)
 			.distinct()
 			.fetch();