Revert everything back. Mission failed.

Wino.Mail/Extensions/MimeKitExtensions.cs

@@ -0,0 +1,19 @@
+using System.Threading.Tasks;
+using Windows.Storage;
+using Wino.Helpers;
+using Wino.Mail.ViewModels.Data;
+
+namespace Wino.Extensions
+{
+    public static class MimeKitExtensions
+    {
+        public static async Task<MailAttachmentViewModel> ToAttachmentViewModelAsync(this StorageFile storageFile)
+        {
+            if (storageFile == null) return null;
+
+            var bytes = await storageFile.ReadBytesAsync();
+
+            return new MailAttachmentViewModel(storageFile.Name, bytes);
+        }
+    }
+}