!1967 update Admin.NET/Admin.NET.Core/Service/Menu/SysMenuService.cs.

Merge pull request !1967 from NIXUS/fix-sysAuth-userInfo-buttons-bug

Admin.NET/Admin.NET.Core/Service/Menu/SysMenuService.cs

@@ -338,7 +338,7 @@ public class SysMenuService : IDynamicApiController, ITransient
         if (permissions != null) return permissions;
 
         var menuIdList = _userManager.SuperAdmin ? new() : await GetMenuIdList();
-        if (menuIdList.Count <= 0 && !_userManager.SuperAdmin)
+        if (menuIdList.Count <= 0 && !_userManager.SuperAdmin && !_userManager.SysAdmin)
         {
             //_sysCacheService.Set(CacheConst.KeyUserButton + userId, new List<string>(), TimeSpan.FromDays(7));
             return new List<string>();