change url param name to "subdomain"

src/pages/split-bill/page.tsx

@@ -14,7 +14,7 @@ import TotalPeopleActions from "./components/TotalPeopleActions";
 
 export default function SplitBillPage() {
   const { t } = useTranslation();
-  const { id } = useParams();
+  const { subdomain } = useParams();
   const { themeName } = useAppSelector((state) => state.theme);
 
   return (
@@ -128,7 +128,7 @@ export default function SplitBillPage() {
           backgroundColor: themeName === "light" ? "white" : ProBlack2,
         }}
       >
-        <Link to={`/${id}/order`} style={{ width: "100%" }}>
+        <Link to={`/${subdomain}/order`} style={{ width: "100%" }}>
           <Button
             type="primary"
             shape="round"