Handles auth methods from auth registry in DataSourceSavedObjectsClie…

…ntWrapper (opensearch-project#6062) (opensearch-project#6096)

* Handles auth methods from auth registry while saving data source

Signed-off-by: Bandini Bhopi <bandinib@amazon.com>

* Add more UT and remove repetitive code

Signed-off-by: Bandini Bhopi <bandinib@amazon.com>

* Adds changelog

Signed-off-by: Bandini Bhopi <bandinib@amazon.com>

* Refactor code

Signed-off-by: Bandini Bhopi <bandinib@amazon.com>

---------

Signed-off-by: Bandini Bhopi <bandinib@amazon.com>
(cherry picked from commit 9f3a689)
Signed-off-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>

# Conflicts:
#	CHANGELOG.md

Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>

src/plugins/data_source/server/plugin.ts

@@ -61,9 +61,15 @@ export class DataSourcePlugin implements Plugin<DataSourcePluginSetup, DataSourc
       config
     );
 
+    const authRegistryPromise = core.getStartServices().then(([, , selfStart]) => {
+      const dataSourcePluginStart = selfStart as DataSourcePluginStart;
+      return dataSourcePluginStart.getAuthenticationMethodRegistery();
+    });
+
     const dataSourceSavedObjectsClientWrapper = new DataSourceSavedObjectsClientWrapper(
       cryptographyServiceSetup,
       this.logger.get('data-source-saved-objects-client-wrapper-factory'),
+      authRegistryPromise,
       config.endpointDeniedIPs
     );
 
@@ -101,11 +107,6 @@ export class DataSourcePlugin implements Plugin<DataSourcePluginSetup, DataSourc
 
     const dataSourceService: DataSourceServiceSetup = await this.dataSourceService.setup(config);
 
-    const authRegistryPromise = core.getStartServices().then(([, , selfStart]) => {
-      const dataSourcePluginStart = selfStart as DataSourcePluginStart;
-      return dataSourcePluginStart.getAuthenticationMethodRegistery();
-    });
-
     const customApiSchemaRegistryPromise = core.getStartServices().then(([, , selfStart]) => {
       const dataSourcePluginStart = selfStart as DataSourcePluginStart;
       return dataSourcePluginStart.getCustomApiSchemaRegistry();