Control: Disks should use standard snapshots

powerpipe control run azure_thrifty.control.compute_disk_snapshot_storage_standard

powerpipe login
powerpipe control run azure_thrifty.control.compute_disk_snapshot_storage_standard --share

select
  ss.id as resource,
  case
    when ss.sku_tier = 'Standard' then 'ok'
    else 'alarm'
  end as status,
  case
    when ss.sku_tier = 'Standard' then ss.title || ' has storage type ' || ss.sku_tier || '.'
    else ss.title || ' has storage type ' || ss.sku_tier || '.'
  end as reason,
  ss.resource_group,
  display_name as subscription
from
  azure_compute_snapshot as ss,
  azure_subscription as sub
where
  ss.subscription_id = sub.subscription_id;