add carton api

lib/pages/package/model/package_model.dart

@@ -204,7 +204,8 @@ class PackageModel extends BaseModel {
     try {
       var snaps = await Firestore.instance
           .collection("/$packages_collection")
-          .where("status", isEqualTo: package_processed_status)
+          .where("status",
+              whereIn: [package_processed_status, package_packed_status])
           .where("user_id", isEqualTo: userID)
           .where("is_deleted", isEqualTo: false)
           .where("is_delivered", isEqualTo: false)