[8.12] [DOCS] Clarify ServiceNow ITSM connector recovery actions (#175353) (#175610)

# Backport

This will backport the following commits from `main` to `8.12`:
- [[DOCS] Clarify ServiceNow ITSM connector recovery actions
(#175353)](https://github.com/elastic/kibana/pull/175353)

<!--- Backport version: 9.4.3 -->

### Questions ?
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Clarify ServiceNow ITSM connector recovery actions
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Clarify ServiceNow ITSM connector recovery actions
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Co-authored-by: Lisa Cawley <lcawley@elastic.co>

docs/management/connectors/action-types/servicenow.asciidoc

@@ -61,8 +61,7 @@ The username for HTTP basic authentication.
 [[servicenow-action-configuration]]
 === Test connectors
 
-You can test connectors with the <<execute-connector-api,run connector API>> or
-as you're creating or editing the connector in {kib}. For example:
+When you create or edit a connector, use the *Test* tab to test its actions:
 
 [role="screenshot"]
 image::management/connectors/images/servicenow-params-test.png[ServiceNow params test]
@@ -99,6 +98,8 @@ The category of the incident.
 Urgency::
 The extent to which the incident resolution can delay.
 
+NOTE: When you create a rule that uses a {sn-itsm} connector, its recovery actions close {sn} incidents based on the correlation ID. If there are multiple incidents that match the correlation ID, the latest open incident for that ID is closed.
+
 [float]
 [[servicenow-connector-networking-configuration]]
 === Connector networking configuration