[BUG] opensearch_security.multitenancy.tenants.preferred does not take effect

[artemus717]

Describe the bug

opensearch_security.multitenancy.tenants.preferred is set, but OpenSearch Dashboard does not show tenant in "switch tenant" tab as set in opensearch_dashboard.yaml.

To Reproduce opensearch_security.multitenancy.enabled: true opensearch_security.multitenancy.tenants.enable_global: false opensearch_security.multitenancy.tenants.enable_private: true opensearch_security.multitenancy.tenants.preferred: ["Flash", "OnlineOps", "Atlas", "Private"] opensearch_security.multitenancy.enable_filter: true opensearch_security.readonly_mode.roles: [kibana_read_only]

OpenSearch Version 2.13.0

Dashboards Version 2.13.0

Host/Environment (please complete the following information): Official docker image

[kavilla]

@opensearch-project/admin please move this to security dashboards repo. Thank you.