fix. 유튜브 영상 썸네일 퀄리티 조절

layers/components/blocks/slide/Thumbnail.vue

@@ -81,7 +81,7 @@ const thumbOptions = computed<Options>(() => ({
 const getThumbnailSrc = (item: PageDataTemplateComponentSet) => {
   if (props.variant === 'media') {
     const mediaComponent = getComponentGroup(item, 'media')
-    return mediaComponent ? getMediaImgSrc(mediaComponent) : ''
+    return mediaComponent ? getMediaImgSrc(mediaComponent, 'high') : ''
   }
 
   const thumbnailComponent = getComponentGroup(item, 'pagenaviThumbnail')
@@ -111,9 +111,12 @@ onMounted(() => {
     mainInst.sync(thumbsInst)
     // 썸네일 슬라이드의 화살표 버튼에 이벤트 리스너 추가
     nextTick(() => {
-      removeArrowListeners = addArrowClickListeners(thumbsInst, (direction, targetIndex) => {
-        emit('arrowClick', direction, targetIndex)
-      })
+      removeArrowListeners = addArrowClickListeners(
+        thumbsInst,
+        (direction, targetIndex) => {
+          emit('arrowClick', direction, targetIndex)
+        }
+      )
     })
   }
 })
@@ -124,7 +127,7 @@ onBeforeUnmount(() => {
     removeArrowListeners()
     removeArrowListeners = null
   }
-  
+
   // Splide 인스턴스 정리
   mainInst?.destroy?.()
   thumbsInst?.destroy?.()