fix. [PWT-93] 이미지 타입형 컨텐츠 리스트 미노출 수정

layers/templates/GrDetail02/index.vue

@@ -16,6 +16,9 @@ const props = defineProps<Props>()
 const slideData = computed(() => {
   return getComponentContainer(props.components, 'group_sets', { maxLength: 7 })
 })
+const thumbnailData = computed(() => {
+  return slideData.value.map(item => item.pagenaviThumbnail?.groups?.[0])
+})
 const paginationData = computed(() => {
   return getComponentGroupAry(props.components, 'pagination')
 })
@@ -24,7 +27,7 @@ const paginationData = computed(() => {
 <template>
   <section class="section-standard">
     <BlocksSlideThumbnail
-      :slide-data="slideData"
+      :thumbnail-data="thumbnailData"
       :pagination-data="paginationData"
     >
       <SplideSlide v-for="(item, index) in slideData" :key="index">