feat(community): 댓글 비밀 여부를 응답한다

src/main/kotlin/kr/co/vividnext/sodalive/v2/api/creator/channel/community/dto/CreatorChannelCommunityPostDetailResponse.kt

@@ -81,6 +81,8 @@ data class CreatorChannelCommunityCommentResponse(
     val writerProfileImageUrl: String,
     val writerNickname: String,
     val content: String,
+    @JsonProperty("isSecret")
+    val isSecret: Boolean,
     val createdAtUtc: String,
     val latestReply: CreatorChannelCommunityReplyResponse?
 ) {
@@ -92,6 +94,7 @@ data class CreatorChannelCommunityCommentResponse(
                 writerProfileImageUrl = comment.writerProfileImageUrl,
                 writerNickname = comment.writerNickname,
                 content = comment.content,
+                isSecret = comment.isSecret,
                 createdAtUtc = comment.createdAt.toUtcIso(),
                 latestReply = comment.latestReply?.let(CreatorChannelCommunityReplyResponse::from)
             )