[GPO] Add policies for configuring utilities enabled states (#21411)

* Add GPOWrapper headers and C++/WinRT library

* Check GPO before starting utilities

* Show message on GPO having disabled preview panes.

* Don't generate thumbnails if GPO disabled

* Fix FancyZonesEditor unable to recognize GPOWrapper

* Move settings view models to the settings project

* Use GPO to block enabling utilities in Settings

* Hide context menu entries when gpo disables utilities

* Apply gpo policies when enabling PowerToys on runner

* Add version and metadata to dll

* Add GPOWrapper to the installer

* Fix MSBuild errors on WPF apps by using Projection

* Signing

* Add gpo files and publish them

* Add GPO policies to the bug report tool

* Add some documentation for using GPO

* Mention support to actual lowest supported version of Windows

* Move PowerToys to the root of administrative templates tree

* Save policies on Software\Policies\PowerToys

* Support both machine and user scopes

* Fix documentation to reference computer and user scopes

* Mention incompatibility with outlook in gpo

* Set a better folder structure for gpo assets

* Move PDF Handler warning to the description

* Update doc/gpo/README.md

Co-authored-by: Heiko <61519853+htcfreek@users.noreply.github.com>

* Add actual minimum version of PowerToys to gpo files

* Fix identation

* Remove GPOWrapper Readme

* Add Active Directory instructions to doc

Co-authored-by: Heiko <61519853+htcfreek@users.noreply.github.com>

src/modules/imageresizer/ui/App.xaml.cs

@@ -28,6 +28,16 @@ namespace ImageResizer
         {
             // Fix for .net 3.1.19 making Image Resizer not adapt to DPI changes.
             NativeMethods.SetProcessDPIAware();
+
+            if (PowerToys.GPOWrapperProjection.GPOWrapper.GetConfiguredImageResizerEnabledValue() == PowerToys.GPOWrapperProjection.GpoRuleConfigured.Disabled)
+            {
+                /* TODO: Add logs to ImageResizer.
+                 * Logger.LogWarning("Tried to start with a GPO policy setting the utility to always be disabled. Please contact your systems administrator.");
+                 */
+                Environment.Exit(0); // Current.Exit won't work until there's a window opened.
+                return;
+            }
+
             var batch = ResizeBatch.FromCommandLine(Console.In, e?.Args);
 
             // TODO: Add command-line parameters that can be used in lieu of the input page (issue #14)