Fixed auth fail exclude update

Author: ritchiecarroll

Source/Applications/openHistorian/openHistorian/ServiceHost.cs

@@ -279,7 +279,7 @@ protected override void ServiceStartingHandler(object sender, EventArgs<string[]
                 authFailureRedirectResourceExpressionUpdated = true;
             }
 
-            if (!anonymousResourceExpression.ToLowerInvariant().Contains(NewGrafanaAuthFailExcludeExpression.ToLowerInvariant()))
+            if (!authFailureRedirectResourceExpression.ToLowerInvariant().Contains(NewGrafanaAuthFailExcludeExpression.ToLowerInvariant()))
             {
                 authFailureRedirectResourceExpression = $"{authFailureRedirectResourceExpression}|{NewGrafanaAuthFailExcludeExpression}";
                 authFailureRedirectResourceExpressionUpdated = true;