[DetailPanel] PopUp Close시 쿠폰 정보가 없어지는 현상 수정

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

@@ -4,6 +4,7 @@ import { useDispatch, useSelector } from "react-redux";
 
 import Spotlight from "@enact/spotlight";
 
+import { clearCouponInfo } from "../../actions/couponActions";
 import {
   clearThemeDetail,
   getThemeCurationDetailInfo,
@@ -125,6 +126,7 @@ export default function DetailPanel({ panelInfo, isOnTop, spotlightId }) {
     return () => {
       dispatch(clearProductDetail());
       dispatch(clearThemeDetail());
+      dispatch(clearCouponInfo());
     };
   }, [dispatch]);