Adding contact details for loaded mails and fixing background notification actions.

Wino.Mail.ViewModels/PersonalizationPageViewModel.cs

@@ -5,6 +5,7 @@ using System.Threading.Tasks;
 using CommunityToolkit.Mvvm.ComponentModel;
 using CommunityToolkit.Mvvm.Input;
 using Wino.Core.Domain;
+using Wino.Core.Domain.Entities;
 using Wino.Core.Domain.Enums;
 using Wino.Core.Domain.Interfaces;
 using Wino.Core.Domain.Models.Personalization;
@@ -21,6 +22,14 @@ namespace Wino.Mail.ViewModels
 
         private bool isPropChangeDisabled = false;
 
+        // Sample mail copy to use in previewing mail display modes.
+        public MailCopy DemoPreviewMailCopy { get; } = new MailCopy()
+        {
+            FromName = "Sender Name",
+            Subject = "Mail Subject",
+            PreviewText = "Thank you for using Wino Mail. We hope you enjoy the experience.",
+        };
+
         #region Personalization
 
         public bool IsSelectedWindowsAccentColor => SelectedAppColor == Colors.LastOrDefault();