[Enterprise Search] Add configurable field (#159791)

## Summary

Add missing configurable field `use_text_extraction_service` to SPO
native connector.

x-pack/plugins/enterprise_search/common/connectors/native_connectors.ts

@@ -937,6 +937,33 @@ export const NATIVE_CONNECTOR_DEFINITIONS: Record<string, NativeConnector | unde
         validations: [],
         value: '',
       },
+      use_text_extraction_service: {
+        default_value: false,
+        depends_on: [],
+        display: DisplayType.TOGGLE,
+        label: i18n.translate(
+          'xpack.enterpriseSearch.nativeConnectors.sharepoint_online.configuration.textExtractionServiceLabel',
+          {
+            defaultMessage: 'Use text extraction service',
+          }
+        ),
+        options: [],
+        order: 6,
+        required: true,
+        sensitive: false,
+        tooltip: i18n.translate(
+          'xpack.enterpriseSearch.nativeConnectors.sharepoint_online.configuration.textExtractionServiceTooltip',
+          {
+            defaultMessage:
+              'Requires a separate deployment of the Elastic Data Extraction Service. ' +
+              'Also requires that pipeline settings disable text extraction.',
+          }
+        ),
+        type: FieldType.BOOLEAN,
+        ui_restrictions: ['advanced'],
+        validations: [],
+        value: false,
+      },
     },
     features: {
       [FeatureName.SYNC_RULES]: {