Revert "File scoped namespaces"

This reverts commit d31d8f574e.

Wino.Core.Domain/Interfaces/IMenuItem.cs

@@ -1,40 +1,41 @@
 using System;
 
-namespace Wino.Core.Domain.Interfaces;
-
-public interface IMenuItem
+namespace Wino.Core.Domain.Interfaces
 {
-    /// <summary>
-    /// An id that this menu item holds.
-    /// For an account, it's AccountId.
-    /// For folder, it's FolderId.
-    /// For merged account, it's MergedAccountId.
-    /// Null if it's a menu item that doesn't hold any valuable entity.
-    /// </summary>
-    Guid? EntityId { get; }
+    public interface IMenuItem
+    {
+        /// <summary>
+        /// An id that this menu item holds.
+        /// For an account, it's AccountId.
+        /// For folder, it's FolderId.
+        /// For merged account, it's MergedAccountId.
+        /// Null if it's a menu item that doesn't hold any valuable entity.
+        /// </summary>
+        Guid? EntityId { get; }
 
-    /// <summary>
-    /// Is any of the sub items that this menu item contains selected.
-    /// </summary>
-    // bool IsChildSelected { get; }
+        /// <summary>
+        /// Is any of the sub items that this menu item contains selected.
+        /// </summary>
+        // bool IsChildSelected { get; }
 
-    /// <summary>
-    /// Whether the menu item is expanded or not.
-    /// </summary>
-    bool IsExpanded { get; set; }
+        /// <summary>
+        /// Whether the menu item is expanded or not.
+        /// </summary>
+        bool IsExpanded { get; set; }
 
-    /// <summary>
-    /// Whether the menu item is selected or not.
-    /// </summary>
-    bool IsSelected { get; set; }
+        /// <summary>
+        /// Whether the menu item is selected or not.
+        /// </summary>
+        bool IsSelected { get; set; }
 
-    /// <summary>
-    /// Parent menu item that contains this menu item.
-    /// </summary>
-    IMenuItem ParentMenuItem { get; }
+        /// <summary>
+        /// Parent menu item that contains this menu item.
+        /// </summary>
+        IMenuItem ParentMenuItem { get; }
 
-    /// <summary>
-    /// Recursively expand all parent menu items if parent exists, starting from parent.
-    /// </summary>
-    void Expand();
+        /// <summary>
+        /// Recursively expand all parent menu items if parent exists, starting from parent.
+        /// </summary>
+        void Expand();
+    }
 }