Revert "File scoped namespaces"

This reverts commit d31d8f574e.

Wino.Messages/Client/Calendar/ScrollToHourMessage.cs

@@ -1,9 +1,10 @@
 using System;
 
-namespace Wino.Messaging.Client.Calendar;
-
-/// <summary>
-/// Emitted when vertical scroll position is requested to be changed.
-/// </summary>
-/// <param name="TimeSpan">Hour to scroll vertically on flip view item.</param>
-public record ScrollToHourMessage(TimeSpan TimeSpan);
+namespace Wino.Messaging.Client.Calendar
+{
+    /// <summary>
+    /// Emitted when vertical scroll position is requested to be changed.
+    /// </summary>
+    /// <param name="TimeSpan">Hour to scroll vertically on flip view item.</param>
+    public record ScrollToHourMessage(TimeSpan TimeSpan);
+}