fix(admin-chat): 배너 목록 응답 위임을 적용한다

src/main/kotlin/kr/co/vividnext/sodalive/admin/chat/AdminChatBannerController.kt

@@ -4,7 +4,6 @@ import com.amazonaws.services.s3.model.ObjectMetadata
 import com.fasterxml.jackson.databind.ObjectMapper
 import kr.co.vividnext.sodalive.admin.chat.character.dto.ChatCharacterSearchListPageResponse
 import kr.co.vividnext.sodalive.admin.chat.character.service.AdminChatCharacterService
-import kr.co.vividnext.sodalive.admin.chat.dto.ChatCharacterBannerListPageResponse
 import kr.co.vividnext.sodalive.admin.chat.dto.ChatCharacterBannerRegisterRequest
 import kr.co.vividnext.sodalive.admin.chat.dto.ChatCharacterBannerResponse
 import kr.co.vividnext.sodalive.admin.chat.dto.ChatCharacterBannerUpdateRequest
@@ -59,17 +58,7 @@ class AdminChatBannerController(
         @RequestParam(defaultValue = "20") size: Int
     ) = run {
         val pageable = adminCharacterService.createDefaultPageRequest(page, size)
-        val banners = bannerService.getActiveBanners(pageable)
-        val response = ChatCharacterBannerListPageResponse(
-            totalCount = banners.totalElements,
-            content = banners.content.map {
-                ChatCharacterBannerResponse.from(
-                    banner = it,
-                    imageHost = imageHost,
-                    appendLanguageToCharacterName = true
-                )
-            }
-        )
+        val response = bannerService.getActiveBanners(pageable, imageHost)
 
         ApiResponse.ok(response)
     }