feat(MainModal): clear iframe breadcrumbs on back navigation

feat(Discover): scroll modal content to top and clear breadcrumbs on item navigation

src/components/Elements/MainModal/Main.jsx

@@ -206,6 +206,8 @@ function MainModal({ modalClose, deepLinkData }) {
   };
 
   const handleBack = () => {
+    // Clear iframe breadcrumbs when navigating back
+    setIframeBreadcrumbs([]);
     window.history.back();
   };