slapos_cloud: only search compute node from the same project

master/bt5/slapos_cloud/WorkflowTemplateItem/portal_workflow/person_slap_interface_workflow/script_Person_requestComputeNode.py

@@ -29,7 +29,12 @@ if len(project_list) != 1:
   raise NotImplementedError("%i projects '%s'" % (len(project_list), project_reference))
 
 compute_node_portal_type = "Compute Node"
-compute_node_list = portal.portal_catalog.portal_catalog(portal_type=compute_node_portal_type, title=compute_node_title, limit=2)
+compute_node_list = portal.portal_catalog.portal_catalog(
+  portal_type=compute_node_portal_type,
+  title=compute_node_title,
+  follow_up__uid=project_list[0].getUid(),
+  limit=2
+)
 
 if len(compute_node_list) == 2:
   raise NotImplementedError