refactor the use of plain string order types

src/pages/checkout/components/phoneCard.tsx

@@ -3,6 +3,7 @@ import ProPhoneInput from "components/ProPhoneInput";
 import { selectCart, updatePhone } from "features/order/orderSlice";
 import { useTranslation } from "react-i18next";
 import { useAppDispatch, useAppSelector } from "redux/hooks";
+import { OrderType } from "pages/checkout/hooks/types.ts";
 
 export default function PhoneCard() {
   const { t } = useTranslation();
@@ -10,7 +11,7 @@ export default function PhoneCard() {
   const { phone, orderType } = useAppSelector(selectCart);
 
   return (
-    orderType !== "gift" && (
+    orderType !== OrderType.Gift && (
       <>
         <ProInputCard title={t("checkout.phoneNumber")}>
           <ProPhoneInput