Integrate keyboard manager with settings v2[Part-2] (#2107)

* Added CustomAction Data Models

* Updated data model

* Updated Button command trigger for keyboard manager

* Integerated custom actions in Keyboard manager module backend

* Allow Runner to launch windows on foreground

* Refactor and moved the execution logic to background thread

* Removed non-required unlock calls

* Fixed typo

* Resolve PR comments

src/core/Microsoft.PowerToys.Settings.UI.Lib/CustomAction/CustomNamePolicy.cs

@@ -0,0 +1,24 @@
+// 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;
+
+namespace Microsoft.PowerToys.Settings.UI.Lib.CustomAction
+{
+    public class CustomNamePolicy : JsonNamingPolicy
+    {
+        private Func<string, string> convertDelegate;
+
+        public CustomNamePolicy(Func<string, string> convertDelegate)
+        {
+            this.convertDelegate = convertDelegate;
+        }
+
+        public override string ConvertName(string name)
+        {
+            return convertDelegate(name);
+        }
+    }
+}