[라우터 방식 변경]

layouts/default.vue

@@ -55,10 +55,10 @@ const subMenus = computed(() => {
     }));
 });
 
-function handleMenuChange(_menuCode: string) {
+async function handleMenuChange(_menuCode: string) {
   if (activeMenu.value === "HOME") {
     showSubmenuBar.value = false;
-    router.push("/");
+    await navigateTo("/");
   } else {
     showSubmenuBar.value = true;
   }