[Actions] Expose getAllSystemActions from the actions client

[cnasikas]

Summary

This PR exposed the getAllSystemActions from the actions client. It will return all registered system actions. This functionality is needed by the rules client to determine if an action is a system action based on the connector ID.

Checklist

Delete any items that are not applicable to this PR.

• Unit or functional tests were updated or added to match the most common scenarios

For maintainers

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

[elasticmachine]

Pinging @elastic/response-ops (Team:ResponseOps)

[cnasikas]

@elasticmachine merge upstream

[ersin-erdal]

I think the things this method returns are connectors.
Should this be getAllSystemConnectors or getAllSystemActionConnectors ?

[cnasikas]

You are right! My brain is wired to the old terminology.

[cnasikas]

Done in 6324edc (#167783)

[kibana-ci]

💔 Build Failed

• Buildkite Build
• Commit: 4585b24
• Interpreting CI Failures

Failed CI Steps

• FTR Configs #5
• FTR Configs #5
• Check Types

Test Failures

• [job] [logs] FTR Configs #5 / Agent policies fleet_agent_policies POST /api/fleet/agent_policies/{agentPolicyId}/copy should copy tamper protection
• [job] [logs] FTR Configs #5 / Agent policies fleet_agent_policies POST /api/fleet/agent_policies/{agentPolicyId}/copy should copy tamper protection

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
actions	263	265	+2

Unknown metric groups

API count

id	before	after	diff
actions	269	271	+2

ESLint disabled line counts

id	before	after	diff
actions	23	25	+2

Total ESLint disabled count

id	before	after	diff
actions	25	27	+2

History

• 💔 Build #164560 failed ccbc7ad
• 💔 Build #164541 failed 716db79

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

[ersin-erdal]

LGTM