Revert "File scoped namespaces"

This reverts commit d31d8f574e.

Wino.Mail/Views/Abstract/IdlePageAbstract.cs

@@ -1,8 +1,9 @@
 using Wino.Core.UWP;
 using Wino.Mail.ViewModels;
 
-namespace Wino.Views.Abstract;
-
-public abstract class IdlePageAbstract : BasePage<IdlePageViewModel>
+namespace Wino.Views.Abstract
 {
+    public abstract class IdlePageAbstract : BasePage<IdlePageViewModel>
+    {
+    }
 }