config(opensearch-dashboards): enable icon side nav v2 (opensearch-project#227)

Signed-off-by: ps48 <pshenoy36@gmail.com>

Author: ps48

docker-compose/opensearch-dashboards/opensearch_dashboards.template.yml

@@ -84,6 +84,7 @@ data_source.ssl.verificationMode: none
 datasetManagement.enabled: true
 data.savedQueriesNewUI.enabled: true
 opensearchDashboards.branding.useExpandedHeader: false
+opensearchDashboards.enableIconSideNav: true
 
 uiSettings.overrides.home:useNewHomePage: true
 uiSettings.overrides.query:enhancements:enabled: true