Added account permissions and ui for recipient

frontend/pweb/lib/utils/error_handler.dart

@@ -5,6 +5,7 @@ import 'package:pshared/api/responses/error/server.dart';
 import 'package:pshared/config/constants.dart';
 
 import 'package:pweb/generated/i18n/app_localizations.dart';
+import 'package:pweb/services/accounts.dart';
 
 
 class ErrorHandler {
@@ -48,6 +49,8 @@ class ErrorHandler {
     final errorHandlers = <Type, String Function(Object)>{
       ErrorResponse: (ex) => _handleErrorResponseLocs(locs, ex as ErrorResponse),
       ConnectivityError: (ex) => _handleConnectivityErrorLocs(locs, ex as ConnectivityError),
+      InvalidCredentialsException: (_) => locs.errorLoginUnauthorized,
+      DuplicateAccountException: (_) => locs.errorAccountExists,
     };
 
     return errorHandlers[e.runtimeType]?.call(e) ?? e.toString();