[Search] Add new RCF use_document_level_security in Salesforce native configs (#183600)

## Summary

Related to https://github.com/elastic/connectors/issues/2566. With the
introduction of new RCF `use_document_level_security` in the Salesforce
connector, the same needs to be reflected in native Confluence
connector.

### Checklist

Delete any items that are not applicable to this PR.

- [x] Any text added follows [EUI's writing
guidelines](https://elastic.github.io/eui/#/guidelines/writing), uses
sentence case text and includes [i18n
support](https://github.com/elastic/kibana/blob/main/packages/kbn-i18n/README.md)

### For maintainers

- [ ] This was checked for breaking API changes and was [labeled
appropriately](https://www.elastic.co/guide/en/kibana/master/contributing.html#kibana-release-notes-process)

packages/kbn-search-connectors/types/native_connectors.ts

@@ -4023,13 +4023,32 @@ export const NATIVE_CONNECTOR_DEFINITIONS: Record<string, NativeConnector | unde
         validations: [],
         value: '',
       },
+      use_document_level_security: {
+        default_value: null,
+        depends_on: [],
+        display: DisplayType.TOGGLE,
+        label: ENABLE_DOCUMENT_LEVEL_SECURITY_LABEL,
+        options: [],
+        order: 4,
+        required: true,
+        sensitive: false,
+        tooltip: getEnableDocumentLevelSecurityTooltip(
+          i18n.translate('searchConnectors.nativeConnectors.salesforce.name', {
+            defaultMessage: 'Salesforce',
+          })
+        ),
+        type: FieldType.BOOLEAN,
+        ui_restrictions: [],
+        validations: [],
+        value: false,
+      },
       use_text_extraction_service: {
         default_value: null,
         depends_on: [],
         display: DisplayType.TOGGLE,
         label: USE_TEXT_EXTRACTION_SERVICE_LABEL,
         options: [],
-        order: 4,
+        order: 5,
         required: true,
         sensitive: false,
         tooltip: USE_TEXT_EXTRACTION_SERVICE_TOOLTIP,