minor improvements to security features, use ActivatorUtilities.CreateInstance with SiteMigration to enable simpler DI

Oqtane.Client/Modules/Admin/Users/Index.razor

@@ -6,6 +6,7 @@
 @inject ISiteService SiteService
 @inject IStringLocalizer<Index> Localizer
 @inject IStringLocalizer<SharedResources> SharedLocalizer
+@inject SiteState SiteState
 
 @if (userroles == null)
 {
@@ -536,6 +537,11 @@ else
 			await SettingService.UpdateSiteSettingsAsync(settings, site.SiteId);
 			await SettingService.ClearSiteSettingsCacheAsync();
 
+			if (!string.IsNullOrEmpty(_secret))
+			{
+				SiteState.AuthorizationToken = await UserService.GetTokenAsync();
+			}
+
 			AddModuleMessage(Localizer["Success.SaveSiteSettings"], MessageType.Success);				
 		}
 		catch (Exception ex)