[Fleet] Add more cypress test for the agent list page

[nchaulet]

Summary

Resolve #134085
Add more cypress tests to the agent list table

Agent Table

• tags filtering

Bulk Actions

• bulk upgrade with cancel
• edit tags
• Reassing policy

There is some flakyness in the test that I mitigated by using some wait on the GET /agents API request, but a proper solution will probably to migrate that page to react-query #156199

[apmmachine]

🤖 GitHub comments

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Just comment with:

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

[nchaulet]

@elasticmachine merge upstream

[elasticmachine]

Pinging @elastic/fleet (Team:Fleet)

[nchaulet]

@elasticmachine merge upstream

[kpollich]

Tests LGTM - did not run locally but results look good in CI. 🚀

[nchaulet]

@elasticmachine merge upstream

[nchaulet]

@elasticmachine merge upstream

[kibana-ci]

💛 Build succeeded, but was flaky

• Buildkite Build
• Commit: 1337ab7

Failed CI Steps

• FTR Configs #9
• FTR Configs #42

Test Failures

• [job] [logs] FTR Configs #9 / machine learning - short tests model management trained models for ML power user with imported models stops deployment of the imported model pt_tiny_ner

Metrics [docs]

Public APIs missing exports

Total count of every type that is part of your API that should be exported but is not. This will cause broken links in the API documentation system. Target amount is 0. Run node scripts/build_api_docs --plugin [yourplugin] --stats exports for more detailed information.

id	before	after	diff
fleet	28	29	+1

Unknown metric groups

ESLint disabled line counts

id	before	after	diff
enterpriseSearch	19	21	+2
securitySolution	399	402	+3
total			+5

Total ESLint disabled count

id	before	after	diff
enterpriseSearch	20	22	+2
securitySolution	479	482	+3
total			+5

History

• 💔 Build #124545 failed a0b94ec
• 💔 Build #124515 failed b946b36
• 💚 Build #124491 succeeded cb59e2d
• 💔 Build #124360 failed 6191c92
• 💔 Build #124341 failed e792067

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

cc @nchaulet