[9.0] Fixes Failing test: X-Pack Alerting API Integration Tests - Alerting - group4.x-pack/test/alerting_api_integration/spaces_only/tests/alerting/group4/builtin_alert_types/circuit_breaker/index_threshold_max_alerts·ts - Alerting builtin alertTypes circuit_breakers index threshold rule that hits max alerts circuit breaker persist existing alerts to next execution if circuit breaker is hit (#237025)

[9.0] Fixes Failing test: X-Pack Alerting API Integration Tests - Alerting - group4.x-pack/test/alerting_api_integration/spaces_only/tests/alerting/group4/builtin_alert_types/circuit_breaker/index_threshold_max_alerts·ts - Alerting builtin alertTypes circuit_breakers index threshold rule that hits max alerts circuit breaker persist existing alerts to next execution if circuit breaker is hit (#237025) #10578