add disable customer function

lib/pages/buying_instruction/buying_online.dart

@@ -29,7 +29,7 @@ class _BuyingOnlinePagetate extends State<BuyingOnlinePage>
 
     final phoneNumberBox = DisplayText(
       text: mainModel.user.phone,
-      labelTextKey: getLocalString(context, "contact.phone"),
+      labelTextKey: "contact.phone",
       iconData: Icons.location_on,
     );
     final nameBox = Center(
@@ -39,12 +39,12 @@ class _BuyingOnlinePagetate extends State<BuyingOnlinePage>
     ));
     final fcsIdBox = DisplayText(
       text: mainModel.user.fcsID,
-      labelTextKey: getLocalString(context, "customer.fcs.id"),
+      labelTextKey: "customer.fcs.id",
       icon: FcsIDIcon(),
     );
     final shippingAddressBox = DisplayText(
       text: mainModel.setting.usaAddress,
-      labelTextKey: getLocalString(context, "profile.usa.shipping.address"),
+      labelTextKey: "profile.usa.shipping.address",
       iconData: Icons.location_on,
     );
     final instructionBox = Container(