[SHOPTIME-3905] Trending Now / full 영상 / 상품 detail 진입 후 영상 재생 / 이전 버튼 클릭 시 화면 이슈

[수정사항] video Full화면 전환시  thumbnail이 있으면 보내도록 변경

com.twin.app.shoptime/src/views/DetailPanel/DetailPanel.jsx

@@ -27,7 +27,7 @@ import {
   getMainCategoryDetail,
   getMainYouMayLike,
 } from "../../actions/mainActions";
-import { popPanel } from "../../actions/panelActions";
+import { popPanel, updatePanel } from "../../actions/panelActions";
 import { finishVideoPreview } from "../../actions/playActions";
 import {
   clearProductDetail,
@@ -83,6 +83,7 @@ export default function DetailPanel({ panelInfo, isOnTop, spotlightId }) {
     (state) => state.common.appStatus.webOSVersion
   );
 
+  const panels = useSelector((state) => state.panels.panels);
   const [lgCatCd, setLgCatCd] = useState("");
   const [isYouMayLikeOpened, setIsYouMayLikeOpened] = useState(false);
   const [selectedIndex, setSelectedIndex] = useState(0);
@@ -205,11 +206,22 @@ export default function DetailPanel({ panelInfo, isOnTop, spotlightId }) {
       dispatch(finishVideoPreview());
       dispatch(popPanel(panel_names.DETAIL_PANEL));
 
+      if (panels.length === 4 && panels[1]?.name === panel_names.PLAYER_PANEL) {
+        dispatch(
+          updatePanel({
+            name: panel_names.PLAYER_PANEL,
+            panelInfo: {
+              thumbnail: panelInfo.thumbnailUrl,
+            },
+          })
+        );
+      }
+
       if (isCancelClick) {
         ev.stopPropagation();
       }
     },
-    [dispatch]
+    [dispatch, panelInfo, panels]
   );
 
   const handleSMSonClose = useCallback(() => {