update carton and cargo type

lib/pages/rates/custom_list.dart

@@ -11,13 +11,13 @@ import 'model/shipment_rate_model.dart';
 
 class CustomList extends StatefulWidget {
   final bool? selected;
-  const CustomList({Key? key, this.selected}) : super(key: key);
+  const CustomList({super.key, this.selected});
   @override
   _CustomListState createState() => _CustomListState();
 }
 
 class _CustomListState extends State<CustomList> {
-  bool _isLoading = false;
+  bool isLoading = false;
   bool _selected = false;
 
   @override
@@ -38,7 +38,7 @@ class _CustomListState extends State<CustomList> {
     var shipmentRateModel = Provider.of<ShipmentRateModel>(context);
 
     return LocalProgress(
-      inAsyncCall: _isLoading,
+      inAsyncCall: isLoading,
       child: Scaffold(
           appBar: LocalAppBar(labelKey: 'rate.custom_duty.title'),
           floatingActionButton: FloatingActionButton.extended(
@@ -49,7 +49,7 @@ class _CustomListState extends State<CustomList> {
               icon: Icon(Icons.add, color: Colors.white),
               backgroundColor: primaryColor,
               label:
-                  LocalText(context, 'rate.custom_duty', color: Colors.white)),
+                  LocalText(context, 'rate.custom_new', color: Colors.white)),
           body: Padding(
             padding: const EdgeInsets.all(8.0),
             child: ListView.separated(
@@ -70,13 +70,11 @@ class _CustomListState extends State<CustomList> {
                     child: Container(
                       child: _row(
                           custom.name ?? "",
-                          "Custom Fee \$ " +
-                              custom.customDutyFee.toStringAsFixed(2),
+                          "Custom Fee \$ ${custom.customDutyFee.toStringAsFixed(2)}",
                           // ignore: unnecessary_null_comparison
                           custom.rate == null
                               ? ""
-                              : "Shipment rate \$ " +
-                                  custom.rate.toStringAsFixed(2)),
+                              : "Shipment rate \$ ${custom.rate.toStringAsFixed(2)}"),
                     ),
                   );
                 }),
@@ -97,7 +95,7 @@ class _CustomListState extends State<CustomList> {
                 Padding(
                   padding: const EdgeInsets.only(bottom: 3.0),
                   child: Text(
-                    '$fee',
+                    fee,
                     style: TextStyle(color: primaryColor, fontSize: 14),
                   ),
                 ),
@@ -106,7 +104,7 @@ class _CustomListState extends State<CustomList> {
                     : Padding(
                         padding: const EdgeInsets.only(top: 3.0),
                         child: Text(
-                          "$shipmentRate",
+                          shipmentRate,
                           style: TextStyle(color: Colors.grey, fontSize: 14),
                         ),
                       )