(GH-71) Fix error exit code

Closes #71

Author: TraGicCode

src/BuslyCLI.Console/Spectre/AppConfiguration.cs

@@ -53,7 +53,9 @@ public static Action<IConfigurator> GetSpectreCommandConfiguration()
                 demo.AddCommand<StartDemoCommand>("start")
                     .WithDescription("Start a demo endpoint that can receive any command and a single 'Messages.Events.OrderPlaced' event.");
             });
+#if DEBUG
             config.PropagateExceptions();
+#endif
         };
     }
 }