[8.9] [Security Solution] Store last conversation in localstorage #6993 (#161373)

[spong]

Backport

This will backport the following commits from main to 8.9:

• [Security Solution] Store last conversation in localstorage #6993 (#161373)

Questions ?

Please refer to the Backport tool documentation

[kibana-ci]

💛 Build succeeded, but was flaky

• Buildkite Build
• Commit: 5c54496

Failed CI Steps

• Explore - Security Solution Tests #2
• Defend Workflows Cypress Tests #1

Test Failures

• [job] [logs] Defend Workflows Cypress Tests #1 / Endpoint Policy Response from Fleet Agent Details page should display policy response with errors
• [job] [logs] Explore - Security Solution Tests #2 / Entity Analytics Dashboard With anomalies data enables a job

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
@kbn/elastic-assistant	64	65	+1

Async chunks

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

id	before	after	diff
securitySolution	11.1MB	11.1MB	+1.8KB

Unknown metric groups

API count

id	before	after	diff
@kbn/elastic-assistant	83	84	+1

ESLint disabled line counts

id	before	after	diff
enterpriseSearch	13	15	+2
securitySolution	415	419	+4
total			+6

Total ESLint disabled count

id	before	after	diff
enterpriseSearch	14	16	+2
securitySolution	496	500	+4
total			+6

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