fixing most whitespace issues, reordering namespaces and adding in headers (#5677)

src/modules/launcher/Wox.Test/WoxTest.cs

@@ -1,4 +1,8 @@
-using System.Windows.Input;
+// 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.Windows.Input;
 using NUnit.Framework;
 using Wox.Plugin;
 using PowerLauncher.ViewModel;
@@ -39,7 +43,6 @@ namespace Wox.Test
             }
         }
 
-
         [Test]
         public void AnyVariable_MustCallOnPropertyChanged_WhenSet()
         {