[System Actions] Server - 2 Update APIs flow to allow new system action

[XavierM]

Tasks

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1. /internal/alerting/rules/_schedule_frequency @Zacqary
2. /internal/alerting/rule/{id}/_clone/{newId?} @Zacqary
3. DELETE /api/alerting/rule/{id}
4. /api/alerting/rule/{id}/_disable
5. /api/alerting/rule/{id}/_enable
6. /internal/alerting/rules/_find
7. /internal/alerting/rule/{id}/_action_error_log
8. /internal/alerting/alerts/_bulk_untrack
9. /internal/alerting/rules/settings/_flapping
10. /internal/alerting/_global_execution_kpi
11. /internal/alerting/_global_execution_logs/
12. /internal/alerting/rule/{id}/_alert_summary
13. /internal/alerting/rule/{id}/_execution_kpi
14. /internal/alerting/rule/{id}/_execution_log
15. /internal/alerting/rule/{id}/state
16. /internal/alerting/rules/_tags
17. /internal/alerting/rule/{id} || /api/alerting/rule/{id} (get rule?)
18. /api/alerting/_health
19. /api/alerting/rule/{id}/_mute_all
20. /internal/alerting/rule/{id}/_resolve
21. /api/alerting/rule_types
22. /internal/alerting//rule/{id}/_run_soon
23. /internal/alerting/rule/{id}/_snooze
24. /api/alerting/rule/{rule_id}/alert/{alert_id}/_unmute
25. /api/alerting/rule/{id}/_unmute_all
26. /api/alerting/rule/{id}/_unsnooze
27. /api/alerting/rule/{id}/_update_api_key
28. /internal/alerting/rules/settings/_flapping
29. /api/alerting/rule/{id} (update rule)
30. /api/alerting/rule/{rule_id}/alert/{alert_id}/_mute