chain network name display fixed

frontend/pweb/lib/models/wallet.dart

@@ -1,6 +1,6 @@
 import 'package:pshared/models/currency.dart';
 import 'package:pshared/models/describable.dart';
-
+import 'package:pshared/models/payment/chain_network.dart';
 
 class Wallet implements Describable {
   final String id;
@@ -10,7 +10,7 @@ class Wallet implements Describable {
   final bool isHidden;
   final DateTime calculatedAt;
   final String? depositAddress;
-  final String? network;
+  final ChainNetwork? network;
   final String? tokenSymbol;
   final String? contractAddress;
   final Describable describable;
@@ -42,7 +42,7 @@ class Wallet implements Describable {
     String? walletUserID,
     bool? isHidden,
     String? depositAddress,
-    String? network,
+    ChainNetwork? network,
     String? tokenSymbol,
     String? contractAddress,
     Describable? describable,