update Admin.NET/Admin.NET.Application/GlobalUsings.cs.

自动生成实体类的时候，有SugarTable特性，需引用SqlSugar。

Signed-off-by: arwin <8425838+arwin@user.noreply.gitee.com>

Admin.NET/Admin.NET.Application/GlobalUsings.cs

@@ -1,8 +1,9 @@
-global using Admin.NET.Core;
+global using Admin.NET.Core;
 global using Furion;
 global using Furion.DependencyInjection;
 global using Furion.DynamicApiController;
 global using Mapster;
 global using Microsoft.AspNetCore.Mvc;
 global using Microsoft.Extensions.DependencyInjection;
-global using System.Threading.Tasks;
+global using System.Threading.Tasks;
+global using SqlSugar;