add cartion filter and search

lib/app.dart

@@ -30,7 +30,9 @@ import 'package:flutter_localizations/flutter_localizations.dart';
 import 'package:provider/provider.dart';
 
 import 'pages/carton/model/carton_selection_model.dart';
+import 'pages/carton/model/consignee_selection_model.dart';
 import 'pages/carton/model/package_selection_model.dart';
+import 'pages/carton/model/sender_selection_model.dart';
 import 'pages/delivery/model/delivery_model.dart';
 
 class App extends StatefulWidget {
@@ -65,7 +67,11 @@ class _AppState extends State<App> {
   final ProcessingModel processingModel = new ProcessingModel();
   final PickupModel pickupModel = new PickupModel();
   final CartonSelectionModel cartonSelectionModel = new CartonSelectionModel();
-  final PackageSelectionModel packageSelectionModel = new PackageSelectionModel();
+  final PackageSelectionModel packageSelectionModel =
+      new PackageSelectionModel();
+  final ConsigneeSelectionModel consigneeSelectionModel =
+      new ConsigneeSelectionModel();
+  final SenderSelectionModel senderSelectionModel = new SenderSelectionModel();
 
   late AppTranslationsDelegate _newLocaleDelegate;
 
@@ -90,7 +96,9 @@ class _AppState extends State<App> {
       ..addModel(processingModel)
       ..addModel(pickupModel)
       ..addModel(cartonSelectionModel)
-      ..addModel(packageSelectionModel);
+      ..addModel(packageSelectionModel)
+      ..addModel(consigneeSelectionModel)
+      ..addModel(senderSelectionModel);
 
     _newLocaleDelegate = AppTranslationsDelegate(
         newLocale: Translation().supportedLocales().first);
@@ -141,6 +149,8 @@ class _AppState extends State<App> {
           ChangeNotifierProvider.value(value: pickupModel),
           ChangeNotifierProvider.value(value: cartonSelectionModel),
           ChangeNotifierProvider.value(value: packageSelectionModel),
+          ChangeNotifierProvider.value(value: consigneeSelectionModel),
+          ChangeNotifierProvider.value(value: senderSelectionModel),
         ],
         child: Consumer<LanguageModel>(
           builder: (context, value, child) {