How should I configure the organization switcher, see https://techcommunity.microsoft.com/t5/microsoft-365-blog/new-organization-switcher-in-the-microsoft-365-admin-center/bc-p/2363960#M1825
I added my Associated MPN ID in the guest tenant but this does not make the tenant show up in my tenant.
https://docs.microsoft.com/en-us/azure/cost-management-billing/manage/link-partner-id