update footer BS height & enhnace custom split bill BS styles

src/pages/checkout/components/CheckoutButton.tsx

@@ -44,17 +44,6 @@ export default function CheckoutButton({ form }: { form: FormInstance }) {
     dispatch(updateSplitBillAmount(0));
   }, [dispatch]);
 
-  const getSplitButtonTitle = useMemo(() => {
-    if (selectedSplitWay === "customAmount") {
-      return t("splitBill.payAsCustomAmount");
-    } else if (selectedSplitWay === "equality") {
-      return t("splitBill.divideTheBillEqually");
-    } else if (selectedSplitWay === "payForItems") {
-      return t("splitBill.payForYourItems");
-    }
-    return t("checkout.splitBill");
-  }, [selectedSplitWay, t]);
-
   const handlePlaceOrderClick = useCallback(async () => {
     try {
       await form.validateFields();
@@ -77,7 +66,9 @@ export default function CheckoutButton({ form }: { form: FormInstance }) {
             className={styles.splitBillButton}
             onClick={handleSplitBillClick}
           >
-            {getSplitButtonTitle}
+            {selectedSplitWay
+              ? t("checkout.removeSplitBill")
+              : t("checkout.splitBill")}
           </Button>
         )}
 
@@ -90,7 +81,7 @@ export default function CheckoutButton({ form }: { form: FormInstance }) {
           {t("checkout.placeOrder")}
         </Button>
       </Layout.Footer>
-      
+
       <SplitBillChoiceBottomSheet
         isOpen={isSplitBillChoiceBottomSheetOpen}
         onClose={() => setIsSplitBillChoiceBottomSheetOpen(false)}