fix: 라이브 메인 API - 최근 종료된 라이브

- 쿼리 최적화

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

@@ -4,7 +4,6 @@ import com.querydsl.core.types.Projections
 import com.querydsl.core.types.dsl.CaseBuilder
 import com.querydsl.core.types.dsl.Expressions
 import com.querydsl.core.types.dsl.NumberExpression
-import com.querydsl.jpa.JPAExpressions
 import com.querydsl.jpa.impl.JPAQueryFactory
 import kr.co.vividnext.sodalive.can.use.CanUsage
 import kr.co.vividnext.sodalive.can.use.QUseCan.useCan
@@ -385,40 +384,26 @@ class LiveRoomQueryRepositoryImpl(
     }
 
     override fun getLatestFinishedLive(): List<GetLatestFinishedLiveQueryResponse> {
-        val liveRoom = liveRoom
-        val subLiveRoom = QLiveRoom.liveRoom
-
-        val subQuery = JPAExpressions
-            .select(subLiveRoom.member.id, subLiveRoom.updatedAt.max())
-            .from(subLiveRoom)
-            .where(
-                subLiveRoom.isActive.isFalse
-                    .and(subLiveRoom.channelName.isNotNull)
-                    .and(subLiveRoom.member.role.eq(MemberRole.CREATOR))
-                    .and(subLiveRoom.member.isActive.isTrue)
-                    .and(subLiveRoom.updatedAt.goe(LocalDateTime.now().minusWeeks(1)))
-            )
-            .groupBy(subLiveRoom.member.id)
-
         return queryFactory
             .select(
                 QGetLatestFinishedLiveQueryResponse(
                     member.id,
                     member.nickname,
                     member.profileImage.prepend("/").prepend(cloudFrontHost),
-                    liveRoom.updatedAt
+                    liveRoom.updatedAt.max()
                 )
             )
             .from(liveRoom)
             .innerJoin(liveRoom.member, member)
             .where(
-                liveRoom.updatedAt.goe(LocalDateTime.now().minusWeeks(1))
-                    .and(
-                        Expressions.list(liveRoom.member.id, liveRoom.updatedAt)
-                            .`in`(subQuery)
+                liveRoom.isActive.isFalse
+                    .and(liveRoom.channelName.isNotNull)
+                    .and(liveRoom.updatedAt.goe(LocalDateTime.now().minusWeeks(1)))
+                    .and(member.isActive.isTrue)
+                    .and(member.role.eq(MemberRole.CREATOR))
             )
-            )
-            .orderBy(liveRoom.updatedAt.desc())
+            .groupBy(member.id)
+            .orderBy(liveRoom.updatedAt.max().desc())
             .limit(20)
             .fetch()
     }