slapos_cloud: if computer_guid is set, ignore project_guid

Prioritize computer_guid for now while parent_reference is used.

master/bt5/slapos_cloud/SkinTemplateItem/portal_skins/slapos_cloud/Person_findPartition.py

@@ -34,6 +34,7 @@ if 'project_guid' in filter_kw:
   # direct query.
   project_reference = filter_kw.pop("project_guid")
 
+  if 'parent_reference' not in query_kw:
     # Get Computer list from Tracking API
     from DateTime import DateTime
     project = context.portal_catalog.getResultValue(portal_type="Project", reference=project_reference)