archiveCustomDashboards
Archive dashboards, the grid's row action. Each one is saved with archived: true exactly as
saveCustomDashboard(id, archived: true) saves it, which PUBLISHES an unsaved dashboard's
draft: archiving one means keeping it, so it is no longer deleted after 30 days.
archiveCustomDashboards(
ids: [ID!]!
): [CustomDashboard!]!
