Fix antigravity not preventing further checks on queries

[DL6ER]

What does this implement/fix?

Mark query as allowed when antigravity matches to prevent further checks such as CNAME inspection. This ensures antigravity matches have similar effects than explicitly allowed domains.

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Related issue or feature (if applicable): N/A

Pull request in docs with documentation (if applicable): N/A

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5. I have squashed any insignificant commits. (git rebase)

Checklist:

• [x] The code change is tested and works locally.
• [x] I based my code and PRs against the repositories developmental branch.
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[pralor-bot]

This pull request has been mentioned on Pi-hole Userspace. There might be relevant details there:

https://discourse.pi-hole.net/t/resolving-cnames-for-allowlist-entries/69187/16