REFACTOR: Enhance Categories Page;

REFACTOR: Update ListRow component;
REFACTOR: Improve component structure and navigation; FEAT: Scroll fetching hook;
REFACTOR: Add more testing_data to database to demonstrate updated ListRow component;

frontend/src/components/Checkout/CheckoutForm.tsx

@@ -53,6 +53,7 @@ export const Return: React.FC = () => {
 
 // Main CheckoutForm component
 interface CheckoutFormProps {
+  streamerID: number;
   onClose: () => void;
 }