Fix Errors rules link on observability alert page

[maryam-saeidi]

Fixes #167004

Summary

This PR fixes the Errors stat link and improves the code using the Rules locator.

🧪 How to test

• Please check all the statuses (Disabled, Snoozed, Errors) to make sure links work as expected.

[apmmachine]

🤖 GitHub comments

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Just comment with:

• /oblt-deploy : Deploy a Kibana instance using the Observability test environments.
• /oblt-deploy-serverless : Deploy a serverless Kibana instance using the Observability test environments.
• run elasticsearch-ci/docs : Re-trigger the docs validation. (use unformatted text in the comment!)

[kibana-ci]

💚 Build Succeeded

• Buildkite Build
• Commit: e5c9d87

Metrics [docs]

Async chunks

Total size of all lazy-loaded chunks that will be downloaded as the user navigates the app

id	before	after	diff
observability	1.0MB	1.0MB	+56.0B

History

• 💔 Build #161130 failed 88f646e

To update your PR or re-run it, just comment with:
@elasticmachine merge upstream

cc @maryam-saeidi

[fkanout]

Tested locally, it counts the rules correctly and navigate with correct params when a state is clicked.

[kibanamachine]

💔 All backports failed

Status	Branch	Result
❌	8.10	Backport failed because of merge conflicts

Manual backport

To create the backport manually run:

node scripts/backport --pr 167027

Questions ?

Please refer to the Backport tool documentation