disable cancel invoice in customer

lib/pages/invoice/invoice_list_row.dart

@@ -141,6 +141,28 @@ class InvoiceListRow extends StatelessWidget {
                 builder: (context) =>
                     InvoiceInfo(invoice: invoice, forCustomer: forCustomer)));
           },
+        ),
+        CupertinoActionSheetAction(
+          child: Row(
+            children: <Widget>[
+              Padding(
+                padding: const EdgeInsets.only(left: 8.0),
+                child: Text(
+                  'Payments',
+                  style: TextStyle(fontSize: 16, color: Colors.black),
+                ),
+              ),
+            ],
+          ),
+          onPressed: () async {
+            //to go invoice info page
+            Navigator.pop(context);
+            Navigator.of(context).push(CupertinoPageRoute(
+                builder: (context) => PaymentPage(
+                      invoice: invoice,
+                      forCustomer: forCustomer,
+                    )));
+          },
         )
       ],
     );