Address PR comments

Author: jbayardo

shell/agents/AIShell.OpenAI.Agent/GPT.cs

@@ -92,7 +92,7 @@ public GPT(
     /// <returns></returns>
     internal async Task<bool> SelfCheck(IHost host, CancellationToken token)
     {
-        if ((AuthType == AuthType.ApiKey && Key is not null || AuthType == AuthType.EntraID) && ModelInfo is not null)
+        if ((AuthType is AuthType.EntraID || Key is not null) && ModelInfo is not null)
         {
             return true;
         }

shell/agents/AIShell.OpenAI.Agent/Settings.cs

@@ -125,7 +125,7 @@ internal void ListAllGPTs(IHost host)
                 new PropertyElement<GPT>(nameof(GPT.Name)),
                 new CustomElement<GPT>(label: "Active", m => m.Name == Active?.Name ? "true" : string.Empty),
                 new PropertyElement<GPT>(nameof(GPT.Description)),
-                            ]);
+            ]);
     }
 
     internal void ShowOneGPT(IHost host, string name)