Add a Properties property to OpenIdAuthenticatedContext

Author: kevinchalet

src/AspNet.Security.OpenId/Events/OpenIdAuthenticatedContext.cs

@@ -9,6 +9,7 @@
 using JetBrains.Annotations;
 using Microsoft.AspNetCore.Authentication;
 using Microsoft.AspNetCore.Http;
+using Microsoft.AspNetCore.Http.Authentication;
 using Newtonsoft.Json.Linq;
 
 namespace AspNet.Security.OpenId {
@@ -45,6 +46,11 @@ public OpenIdAuthenticatedContext(
         /// </summary>
         public string Identifier => Ticket?.Principal?.FindFirst(ClaimTypes.NameIdentifier)?.Value;
 
+        /// <summary>
+        /// Gets the authentication properties associated with the ticket.
+        /// </summary>
+        public AuthenticationProperties Properties => Ticket?.Properties;
+
         /// <summary>
         /// Gets or sets the attributes associated with the current user.
         /// </summary>