[File locksmith]Add setting to show only in extended context menu (#26711)

* [File Locksmith] Move File Locksmith "What's using this file?" into the extended context menu

* [File Locksmith] Add FileLocksmithExt to directory background context menu

* [File Locksmith]
* Directory background right click crash fixed.
*Settings added.

* [File Locksmith] Remove uncessary things.

* [File Locksmith] Spell check correction

src/settings-ui/Settings.UI.Library/FileLocksmithSettings.cs

@@ -0,0 +1,49 @@
+// Copyright (c) Microsoft Corporation
+// The Microsoft Corporation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using System;
+using System.Text.Json.Serialization;
+using Microsoft.PowerToys.Settings.UI.Library.Interfaces;
+
+namespace Microsoft.PowerToys.Settings.UI.Library
+{
+    public class FileLocksmithSettings : BasePTModuleSettings, ISettingsConfig
+    {
+        public const string ModuleName = "File Locksmith";
+        public const string ModuleVersion = "1";
+
+        [JsonPropertyName("properties")]
+        public FileLocksmithProperties Properties { get; set; }
+
+        public FileLocksmithSettings()
+        {
+            Name = ModuleName;
+            Version = ModuleVersion;
+            Properties = new FileLocksmithProperties();
+        }
+
+        public FileLocksmithSettings(FileLocksmithLocalProperties localProperties)
+        {
+            if (localProperties == null)
+            {
+                throw new ArgumentNullException(nameof(localProperties));
+            }
+
+            Properties = new FileLocksmithProperties();
+            Properties.ExtendedContextMenuOnly.Value = localProperties.ExtendedContextMenuOnly;
+            Version = "1";
+            Name = ModuleName;
+        }
+
+        public string GetModuleName()
+        {
+            return Name;
+        }
+
+        public bool UpgradeSettingsConfiguration()
+        {
+            return false;
+        }
+    }
+}