include SecurityStamp in User object

Oqtane.Shared/Models/User.cs

@@ -59,6 +59,12 @@ namespace Oqtane.Models
         /// </summary>
         public DateTime? TwoFactorExpiry { get; set; }
 
+        /// <summary>
+        /// A token indicating if a user's security properties have been modified
+        /// </summary>
+        [NotMapped]
+        public string SecurityStamp { get; set; }
+
         /// <summary>
         /// Reference to the <see cref="Site"/> this user belongs to.
         /// </summary>
@@ -66,8 +72,7 @@ namespace Oqtane.Models
         public int SiteId { get; set; }
 
         /// <summary>
-        /// Role names this user has.
-        /// TODO: todoc - is this comma separated?
+        /// Semi-colon delimited list of role names for the user
         /// </summary>
         [NotMapped]
         public string Roles { get; set; }