라이브 완료 응답에 dateUtc 추가

src/main/kotlin/kr/co/vividnext/sodalive/live/room/GetLatestFinishedLiveResponse.kt

@@ -4,6 +4,7 @@ import com.fasterxml.jackson.annotation.JsonProperty
 import com.querydsl.core.annotations.QueryProjection
 import kr.co.vividnext.sodalive.extensions.getTimeAgoString
 import java.time.LocalDateTime
+import java.time.ZoneId
 
 data class GetLatestFinishedLiveQueryResponse @QueryProjection constructor(
     val memberId: Long,
@@ -16,12 +17,17 @@ data class GetLatestFinishedLiveResponse(
     @JsonProperty("memberId") val memberId: Long,
     @JsonProperty("nickname") val nickname: String,
     @JsonProperty("profileImageUrl") val profileImageUrl: String,
-    @JsonProperty("timeAgo") val timeAgo: String
+    @JsonProperty("timeAgo") val timeAgo: String,
+    @JsonProperty("dateUtc") val dateUtc: String
 ) {
     constructor(response: GetLatestFinishedLiveQueryResponse) : this(
         response.memberId,
         response.nickname,
         response.profileImageUrl,
-        response.updatedAt.getTimeAgoString()
+        response.updatedAt.getTimeAgoString(),
+        response.updatedAt
+            .atZone(ZoneId.of("UTC"))
+            .toInstant()
+            .toString()
     )
 }