Revert everything back. Mission failed.

Wino.Mail/Services/ApplicationResourceManager.cs

@@ -0,0 +1,30 @@
+using System.Linq;
+using Wino.Core.Domain.Interfaces;
+
+#if NET8_0
+using Microsoft.UI.Xaml;
+#else
+using Windows.UI.Xaml;
+#endif
+namespace Wino.Services
+{
+    public class ApplicationResourceManager : IApplicationResourceManager<ResourceDictionary>
+    {
+        public void AddResource(ResourceDictionary resource)
+            => App.Current.Resources.MergedDictionaries.Add(resource);
+        public void RemoveResource(ResourceDictionary resource)
+            => App.Current.Resources.MergedDictionaries.Remove(resource);
+
+        public bool ContainsResourceKey(string resourceKey)
+            => App.Current.Resources.ContainsKey(resourceKey);
+
+        public ResourceDictionary GetLastResource()
+            => App.Current.Resources.MergedDictionaries.LastOrDefault();
+
+        public void ReplaceResource(string resourceKey, object resource)
+            => App.Current.Resources[resourceKey] = resource;
+
+        public TReturn GetResource<TReturn>(string resourceKey)
+            => (TReturn)App.Current.Resources[resourceKey];
+    }
+}