fix(home-following): 최근 대화를 팔로우 크리에이터로 제한한다

src/main/kotlin/kr/co/vividnext/sodalive/chat/room/repository/ChatRoomRepository.kt

@@ -87,6 +87,15 @@ interface ChatRoomRepository : JpaRepository<ChatRoom, Long> {
               AND pc.isActive = true
               AND r.isActive = true
               AND m.isActive = true
+              AND (
+                  :followedCreatorsOnly = false
+                  OR EXISTS (
+                      SELECT cf.id FROM CreatorFollowing cf
+                      WHERE cf.member.id = :memberId
+                        AND cf.creator.id = pc.character.creatorMember.id
+                        AND cf.isActive = true
+                  )
+              )
               AND (
                   :cursorAt IS NULL
                   OR m.createdAt < :cursorAt
@@ -110,6 +119,7 @@ interface ChatRoomRepository : JpaRepository<ChatRoom, Long> {
         @Param("cursorAt") cursorAt: LocalDateTime?,
         @Param("cursorChatType") cursorChatType: String?,
         @Param("cursorRoomId") cursorRoomId: Long?,
+        @Param("followedCreatorsOnly") followedCreatorsOnly: Boolean,
         pageable: Pageable
     ): List<V2ChatRoomListQueryDto>