CELOS X : 01 - CELOS machine serial number managing

Verify that on the CELOS X Datasources Edit modal there's a Configure Datasource part, where DMG MORI machine serials can be managed.
These serial numbers appear on the attribute-datasource mapping modal, but they can only be created/deleted from the Edit datasource modal.
Only System Administrator can manage these serials.
This test assumes
  1. You are able to log into as a Sysadmin and as a non-Sysadmin.
  2. On the _admin page:
    1. newMachinesPage and celosNext Feature Flags are switched on
    2. Pricing info has been set for Celos X
  3. The CELOS X Datasource have been created.
  4. A machine type and a machine have been created.