Code only displayed for owner and is not lost on refresh

dotnet/AipsRT/Model/Whiteboard/GetWhiteboardService.cs

@@ -28,7 +28,8 @@ public class GetWhiteboardService
         {
             WhiteboardId = entity.Id,
             OwnerId = entity.OwnerId,
-            Owner = new User(entity.Owner.Id, entity.Owner.UserName!, entity.Owner.Email!)
+            Owner = new User(entity.Owner.Id, entity.Owner.UserName!, entity.Owner.Email!),
+            Code = entity.Code,
         };
 
         foreach (var membership in entity.Memberships)

dotnet/AipsRT/Model/Whiteboard/Whiteboard.cs

@@ -9,6 +9,8 @@ public class Whiteboard
 
     public Guid OwnerId { get; set; }
     public User Owner { get; set; } = null!;
+    
+    public string Code {get; set;}
 
     public List<User> Users { get; } = [];