feat: payment split

lib/presentation/split_bill/pages/split_bill_page.dart

@@ -760,7 +760,11 @@ class _SplitBillPageState extends State<SplitBillPage> {
         log("Split Order: ${splitItems.length}");
 
         // Navigate to PaymentPage with the split order
-        context.push(PaymentPage(order: splitOrder));
+        context.push(PaymentPage(
+          order: splitOrder,
+          isSplit: true,
+          splitType: 'ITEM',
+        ));
       } else {
         AppFlushbar.showError(context, "Pilih minimal satu produk untuk split");
       }
@@ -781,7 +785,13 @@ class _SplitBillPageState extends State<SplitBillPage> {
         );
 
         // Navigate to PaymentPage with the split order
-        context.push(PaymentPage(order: splitOrder));
+        context.push(
+          PaymentPage(
+            order: splitOrder,
+            isSplit: true,
+            splitType: 'AMOUNT',
+          ),
+        );
       } else if (splitAmount > totalAmount) {
         AppFlushbar.showError(
             context, "Jumlah split tidak boleh melebihi total bill");