Do not request the root instance all the time.

There is no need to get the root software instance, as the hosting subscription already contains the needed information

master/bt5/vifib_base/WorkflowTemplateItem/portal_workflow/software_instance_slap_interface_workflow/scripts/SoftwareInstance_requestSoftwareInstance.xml

@@ -107,11 +107,7 @@ if (portal.portal_activities.countMessageWithTag(tag) > 0):\n
   # As it is not possible to fetch informations, it is better to raise an error\n
   raise NotImplementedError(tag)\n
 \n
-root_software_instance = root_hosting_subscription.HostingSubscription_requestRootSoftwareInstance(tag)\n
-\n
-# above query does not find root software instance, but as this case is easy\n
-# to find, just check if such request does not come and raise\n
-if root_software_instance.getTitle() == requested_partition_reference:\n
+if root_hosting_subscription.getTitle() == requested_partition_reference:\n
   raise ValueError(\'It is disallowed to request root software instance\')\n
 \n
 if (request_software_instance is None):\n

master/bt5/vifib_base/bt/revision

-400
\ No newline at end of file
+401
\ No newline at end of file