Add port number check in the MatchEndpoints method to ensure the correct endpoint is returned (#2925)

Author: romanett

Stack/Opc.Ua.Core/Stack/Configuration/ConfiguredEndpoints.cs

@@ -1411,6 +1411,12 @@ private EndpointDescriptionCollection MatchEndpoints(
                         continue;
                     }
 
+                    // check for matching port.
+                    if (sessionUrl.Port != endpointUrl.Port)
+                    {
+                        continue;
+                    }
+
                     matches.Add(description);
                 }
             }