Add RequestDeviceIdentifier to response (#5403)

Author: trmartin4

src/Api/Auth/Models/Response/AuthRequestResponseModel.cs

@@ -18,6 +18,7 @@ public AuthRequestResponseModel(AuthRequest authRequest, string vaultUri, string
 
         Id = authRequest.Id;
         PublicKey = authRequest.PublicKey;
+        RequestDeviceIdentifier = authRequest.RequestDeviceIdentifier;
         RequestDeviceTypeValue = authRequest.RequestDeviceType;
         RequestDeviceType = authRequest.RequestDeviceType.GetType().GetMember(authRequest.RequestDeviceType.ToString())
             .FirstOrDefault()?.GetCustomAttribute<DisplayAttribute>()?.GetName();
@@ -32,6 +33,7 @@ public AuthRequestResponseModel(AuthRequest authRequest, string vaultUri, string
 
     public Guid Id { get; set; }
     public string PublicKey { get; set; }
+    public string RequestDeviceIdentifier { get; set; }
     public DeviceType RequestDeviceTypeValue { get; set; }
     public string RequestDeviceType { get; set; }
     public string RequestIpAddress { get; set; }