fix: Improve execution speed for queries with label filters

[JohanLindvall]

What this PR does / why we need it:
This PR improves performance for label filters so that their order is kept w.r.t line filters.

Which issue(s) this PR fixes:
Fixes #13869

Special notes for your reviewer:

Checklist

• Reviewed the CONTRIBUTING.md guide (required)
• Documentation added
• Tests updated
• Title matches the required conventional commits format, see here
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[CLAassistant]

All committers have signed the CLA.

[MasslessParticle]

Nice work. Thanks for contributing!