[GPO] Add GPO to disable per-user install (#25141)

* Add per user installer

* Separate upgrade codes for per machine and per user installation
Move per machine check to bootstrapper
Move all defines to common.wxs
Fix CI

* Update installer/PowerToysSetup/generateFileList.ps1

Co-authored-by: Jeremy Sinclair <4016293+snickler@users.noreply.github.com>

* Update installer/PowerToysSetup/generateAllFileComponents.ps1

Co-authored-by: Jeremy Sinclair <4016293+snickler@users.noreply.github.com>

* Update installer/PowerToysSetup/generateFileList.ps1

Co-authored-by: Jeremy Sinclair <4016293+snickler@users.noreply.github.com>

* expect.txt

* Revert "Update installer/PowerToysSetup/generateFileList.ps1"

This reverts commit 34545dab9c.

* Update release CI to build both installers

* Revert bundle name change

It messes up app ID for per-user installation which ends up breaking winget update
of the per-user PT

* spellcheck

* Fix bad merge

* Add RegistryPreview

* Include backup_restore_settings.json

* Revert testing endpoint change

* Add per-machine/per-user installation GPOs

* Update doc/gpo/README.md

* Update doc/gpo/README.md

* spellcheck

* Remove disable per-machine policy

* Update doc/gpo/README.md

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

---------

Co-authored-by: Jeremy Sinclair <4016293+snickler@users.noreply.github.com>
Co-authored-by: Heiko <61519853+htcfreek@users.noreply.github.com>

installer/PowerToysSetupCustomActions/CustomAction.def

@@ -1,6 +1,7 @@
 LIBRARY "PowerToysSetupCustomActions"
 
 EXPORTS
+	CheckGPOCA
 	ApplyModulesRegistryChangeSetsCA
 	CreateScheduledTaskCA
 	CreateWinAppSDKHardlinksCA