Revert "File scoped namespaces"

This reverts commit d31d8f574e.

Wino.Core.Domain/Exceptions/SynchronizerEntityNotFoundException.cs

@@ -1,10 +1,11 @@
 using System;
 
-namespace Wino.Core.Domain.Exceptions;
-
-public class SynchronizerEntityNotFoundException : Exception
+namespace Wino.Core.Domain.Exceptions
 {
-    public SynchronizerEntityNotFoundException(string message) : base(message)
+    public class SynchronizerEntityNotFoundException : Exception
     {
+        public SynchronizerEntityNotFoundException(string message) : base(message)
+        {
+        }
     }
 }