minor updates to PopContext

Author: FehintolaObafemi

src/Authentication/Authentication.Core/Utilities/AuthenticationHelpers.cs

@@ -481,7 +481,7 @@ public static Task DeleteAuthRecordAsync()
         public static PopTokenRequestContext CreatePopTokenRequestContext(IAuthContext authContext)
         {
             // Creating a httpclient that would handle all pop calls
-            Uri popResourceUri = GraphSession.Instance.GraphRequestProofofPossession.Uri ?? new Uri("https://canary.graph.microsoft.com/beta/me"); //PPE (https://graph.microsoft-ppe.com) or Canary (https://canary.graph.microsoft.com) or (https://20.190.132.47/beta/me)
+            Uri popResourceUri = GraphSession.Instance.GraphRequestProofofPossession.Uri ?? new Uri("https://graph.microsoft.com/beta/organization"); //PPE (https://graph.microsoft-ppe.com) or Canary (https://canary.graph.microsoft.com) or (https://20.190.132.47/beta/me)
             HttpClient popHttpClient = new(new HttpClientHandler());
 
             // Find the WWW-Authenticate header in the response.