update carton list and editor

lib/domain/constants.dart

@@ -87,10 +87,11 @@ const shipment_local_dropoff = "Local drop off";
 const shipment_courier_dropoff = "Courier drop off";
 
 //Carton types
-const carton_from_packages = "From packages";
+const carton_from_packages = "Carton for packages";
+const carton_mix_carton = "Mix carton";
+
 const carton_from_cartons = "From cartons";
 const carton_from_shipments = "From shipments";
-const carton_mix_carton = "Mix carton";
 const carton_small_bag = "Small bag";
 const carton_mix_box = "Mix box";
 

lib/domain/entities/carton.dart

@@ -36,7 +36,7 @@ class Carton {
   String? mixCartonNumber;
   String? cartonSizeID;
   String? cartonSizeName;
-  double? cartonWeight;
+  double cartonWeight;
 
   int rate;
   int weight;
@@ -158,7 +158,7 @@ class Carton {
       this.mixBoxType,
       this.mixCartons = const [],
       this.mixCartonIDs = const [],
-      this.cartonWeight});
+      this.cartonWeight =0});
 
   Map<String, dynamic> toMap() {
     List _cargoTypes = cargoTypes.map((c) => c.toMap()).toList();

lib/domain/vo/local_step.dart

@@ -0,0 +1,7 @@
+enum StepType { TYPE, CARTONS, SIZE, PACKAGES, CARGOS, SUBMIT }
+
+class LocalStep {
+  String lable;
+  StepType stepType;
+  LocalStep({required this.lable, required this.stepType});
+}