[shoptime-3976] Home / Top / 4번 배너 진입 후 좌방향키 두번 누를 경우 포커싱 상이

수정 내용: RollingUnit container ID 기억 및 preserveId true 설정

com.twin.app.shoptime/src/views/HomePanel/HomeBanner/RollingUnit.jsx

@@ -34,7 +34,7 @@ import css from "./RollingUnit.module.less";
 const SpottableComponent = Spottable("div");
 
 const Container = SpotlightContainerDecorator(
-  { enterTo: "last-focused" },
+  { enterTo: "last-focused", preserveId: true },
   "div"
 );
 
@@ -498,6 +498,7 @@ export default function RollingUnit({
         css.rollingWrap,
         isHorizontal && css.isHorizontalWrap
       )}
+      spotlightId={`container-${spotlightId}`}
     >
       {rollingDataLength !== 1 ? (
         <SpottableComponent