slapos_accounting: Improvements on Alarm's queries

See merge request !310

master/bt5/slapos_accounting/SkinTemplateItem/portal_skins/slapos_contract/Alarm_requestValidationPayment.py

@@ -5,10 +5,9 @@ if not portal.portal_preferences.getPreferredCloudContractEnabled():
 
 select_dict= {'default_aggregate_uid': None}
 portal.portal_catalog.searchAndActivate(
-  portal_type=('Slave Instance', 'Software Instance'),
+  parent_uid=context.getPortalObject().software_instance_module.getUid(),
   validation_state='validated',
   default_aggregate_uid=None,
-  select_dict=select_dict,
   left_join_list=select_dict.keys(),
 
   method_id='SoftwareInstance_requestValidationPayment',