<!-- Enter a brief description/summary of your PR here. What does it
fix/what does it change/how was it tested (even manually, if necessary)?
-->
## Summary of the Pull Request
This PR removes the ISettingsUtils and ISettingsPath interfaces to
reduce some complexity. They only existed so the classes can be used
with moq. But this is also possible by using virtual methods which is
cleaner.
<!-- Please review the items on the PR checklist before submitting-->
## PR Checklist
- [ ] Closes: #xxx
<!-- - [ ] Closes: #yyy (add separate lines for additional resolved
issues) -->
- [ ] **Communication:** I've discussed this with core contributors
already. If the work hasn't been agreed, this work might be rejected
- [x] **Tests:** Added/updated and all pass
- [ ] **Localization:** All end-user-facing strings can be localized
- [ ] **Dev docs:** Added/updated
- [ ] **New binaries:** Added on the required places
- [ ] [JSON for
signing](https://github.com/microsoft/PowerToys/blob/main/.pipelines/ESRPSigning_core.json)
for new binaries
- [ ] [WXS for
installer](https://github.com/microsoft/PowerToys/blob/main/installer/PowerToysSetup/Product.wxs)
for new binaries and localization folder
- [ ] [YML for CI
pipeline](https://github.com/microsoft/PowerToys/blob/main/.pipelines/ci/templates/build-powertoys-steps.yml)
for new test projects
- [ ] [YML for signed
pipeline](https://github.com/microsoft/PowerToys/blob/main/.pipelines/release.yml)
- [ ] **Documentation updated:** If checked, please file a pull request
on [our docs
repo](https://github.com/MicrosoftDocs/windows-uwp/tree/docs/hub/powertoys)
and link it here: #xxx
* 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>
