Update visibility of metrics in Cognitive Services alerts configuration

[cassiekays]

Overview/Summary

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This PR fixes/adds/changes/removes

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Breaking Changes

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As part of this Pull Request I have

• [ ] Read the Contribution Guide and ensured this PR is compliant with the guide
• [ ] Checked for duplicate Pull Requests
• [ ] Associated it with relevant GitHub Issues or ADO Work Items (Internal Only)
• [ ] Ensured my code/branch is up-to-date with the latest changes in the main branch
• [ ] Ensured PR tests are passing
• [ ] Updated relevant and associated documentation (e.g. Contribution Guide, Docs etc.)