[Enterprise, GPO] gpo.h: Fixes and code order improvements

[htcfreek]

Summary of the Pull Request

This PR...

• fixes wrong policies to use the correct method.
• improves the code order/structure to avoid this mistakes in the future.

PR Checklist

• Closes: [Enterprise] Multiple policies behave wrong and react on the GlobalUtility policy #35001
• Communication: I've discussed this with core contributors already. If work hasn't been agreed, this work might be rejected
• 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 for new binaries
  • WXS for installer for new binaries and localization folder
  • YML for CI pipeline for new test projects
  • YML for signed pipeline
• Documentation updated: If checked, please file a pull request on our docs repo and link it here: #xxx

Detailed Description of the Pull Request / Additional comments

Validation Steps Performed

[htcfreek]

CI failed because of a hang in CI and not because of a code bug.

@crutkas, please restart pipeline.

[crutkas]

/azp run

[azure-pipelines]

Azure Pipelines successfully started running 1 pipeline(s).

[htcfreek]

@crutkas
This should be in for 0.85.0 release. It's an important fix. Is there someone who can review the PR?

[jaimecbernardo]

LGTM! Good catch! Thank you for the fix!