slapos_cloud: propagate Slave Instance on Remote Node

master/bt5/slapos_cloud/WorkflowTemplateItem/portal_workflow/slapos_cloud_interaction_workflow/interaction_SoftwareInstance_setAggregateList.xml

@@ -36,6 +36,7 @@ It will create duplicate activities, but only one for each will be fired.</strin
             <value>
               <tuple>
                 <string>Software Instance</string>
+                <string>Slave Instance</string>
               </tuple>
             </value>
         </item>