Fix using sort

Author: whyleee

TaskWebApp/App_Start/Startup.Auth.cs

@@ -1,6 +1,7 @@
 using Microsoft.Identity.Client;
 using Microsoft.IdentityModel.Protocols.OpenIdConnect;
 using Microsoft.IdentityModel.Tokens;
+using Microsoft.Owin.Host.SystemWeb;
 using Microsoft.Owin.Security;
 using Microsoft.Owin.Security.Cookies;
 using Microsoft.Owin.Security.Notifications;
@@ -12,7 +13,6 @@
 using System.Security.Claims;
 using System.Threading.Tasks;
 using System.Web.Http;
-using Microsoft.Owin.Host.SystemWeb;
 using TaskWebApp.Utils;
 
 namespace TaskWebApp