[Internal]: [ResponseOps] Improved alerts-as-data documents for ES Query rule types

[tiamliu]

Description

What: append additional source data into the alerts-as-data documents for ES Query rules
When: 9.2
Why: Provide additional filtering and contextual data as part of the alert document for ES query rules

Resources

elastic/kibana#190947

Which documentation set does this change impact?

Elastic On-Prem and Cloud (all)

Feature differences

The feature is the same in all deployments

What release is this request related to?

9.2

Serverless release

9.2

Collaboration model

The documentation team

Point of contact.

Main contact: @doakalexi

Stakeholders: @tiamliu

[nastasha-solomon]

Since this happens on the backend, ok to release-note only. Is added to 9.2 release notes here.