clear form after hit api on topup request

src/pages/transaction/topup/TransactionTopup.tsx

@@ -75,6 +75,7 @@ const TransactionTopup = () => {
     } finally {
       setIsSubmitting(false);
       setShowConfirmation(false);
+      ResetForm();
     }
   };
 
@@ -97,6 +98,11 @@ const TransactionTopup = () => {
     setShowConfirmation(false);
   };
 
+  const ResetForm = () => {
+    setForm(initialState);
+    setAlert({ show: false, message: '' });
+  };
+
   return (
     <>
       <Helmet>