[ML] AIOps: Adds execution context to client side data.search requests

[walterra]

Summary

Part of #147378. This PR adds context information to data.search requests so that they appear in the search slow log.

Example: "elasticsearch.slowlog.id":"8c67994e-adee-41c2-9eb3-fa8cab881944;kibana:application:aiops:explain_log_rage_spikes;application:aiops:explain_log_rage_spikes"

Checklist

• This was checked for breaking API changes and was labeled appropriately

[elasticmachine]

Pinging @elastic/ml-ui (:ml)

[qn895]

LGTM 🎉

[kibana-ci]

💚 Build Succeeded

• Buildkite Build
• Commit: 6060ebf

Metrics [docs]

Public APIs missing comments

Total count of every public API that lacks a comment. Target amount is 0. Run node scripts/build_api_docs --plugin [yourplugin] --stats comments for more detailed information.

id	before	after	diff
aiops	22	23	+1

Async chunks

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

id	before	after	diff
aiops	766.1KB	766.3KB	+164.0B
ml	3.4MB	3.4MB	+57.0B
total			+221.0B

Unknown metric groups

API count

id	before	after	diff
aiops	37	38	+1

ESLint disabled line counts

id	before	after	diff
securitySolution	432	435	+3

Total ESLint disabled count

id	before	after	diff
securitySolution	512	515	+3

History

• 💛 Build #119692 was flaky 73005c8
• 💔 Build #119678 failed 0a978fa

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

cc @walterra

[jgowdyelastic]

LGTM