Preview removing a user from the tenant: whether their login account goes too and whether they are the workspace's last owner. Removes nothing. Needs the same `USER_DELETE` privilege and passes the same workspace checks as the removal.

Request

• Base URL: https://api.thebridge.dev (the document declares no server; this is the origin it was published from)
• URL: https://api.thebridge.dev/account/tenant/user/{id}/deletion-preview
• Auth: none declared. Required headers: x-tenant-id