asset currency model & ios face id failed improvement.

lib/models/device/asset_by_id_model.dart

@@ -24,7 +24,7 @@ class AssetByIdModel {
   int? testsDay;
   num? purchasingPrice;
   String? nbv;
-  String? currency;
+  Lookup? currency;
   String? poDate;
   String? poNo;
   String? invoiceNumber;
@@ -153,7 +153,7 @@ class AssetByIdModel {
     testsDay = json['testsDay'];
     purchasingPrice = json['purchasingPrice'];
     nbv = json['nbv'];
-    currency = json['currency'];
+    currency = json['currency'] != null ? Lookup.fromJson(json['currency']) : null;
     poDate = json['poDate'];
     poNo = json['poNo'];
     invoiceNumber = json['invoiceNumber'];
@@ -247,7 +247,9 @@ class AssetByIdModel {
     data['testsDay'] = testsDay;
     data['purchasingPrice'] = purchasingPrice;
     data['nbv'] = nbv;
-    data['currency'] = currency;
+    if (currency != null) {
+      data['currency'] = currency?.toJson();
+    }
     data['poDate'] = poDate;
     data['poNo'] = poNo;
     data['invoiceNumber'] = invoiceNumber;

lib/new_views/pages/splash_page.dart

@@ -104,7 +104,13 @@ class _SplashPageState extends State<SplashPage> {
   }
 
   void handleLocalAuth() async {
-    bool isSuccess = await checkDualAuthentication();
+    bool isSuccess = false;
+    try {
+      isSuccess = await checkDualAuthentication();
+    } catch (ex) {
+      // ios exception when scan failed.
+    }
+
     if (isSuccess) {
       _userProvider.setUser(_settingProvider.user!);