Standartization of Core.UWP project file for NET8 WinUI

Wino.Core.UWP/Services/NotificationBuilder.cs

@@ -2,7 +2,6 @@
 using System.Collections.Generic;
 using System.Linq;
 using System.Threading.Tasks;
-using Microsoft.Toolkit.Uwp.Notifications;
 using Windows.Data.Xml.Dom;
 using Windows.UI.Notifications;
 using Wino.Core.Domain;
@@ -12,6 +11,12 @@ using Wino.Core.Domain.Interfaces;
 using Wino.Core.Domain.Models.MailItem;
 using Wino.Core.Services;
 
+#if NET8_0
+using CommunityToolkit.WinUI.Notifications;
+#else
+using Microsoft.Toolkit.Uwp.Notifications;
+#endif
+
 namespace Wino.Core.UWP.Services
 {
     // TODO: Refactor this thing. It's garbage.