React on association with Computer Partition.

As interaction is called early it can now miss the aggregate setup, so it
have to be caught explicitly.

master/bt5/slapos_erp5/WorkflowTemplateItem/portal_workflow/local_permission_slapos_interaction_workflow/interactions/SoftwareInstance_edit.xml

@@ -58,6 +58,7 @@
               <list>
                 <string>_setReference</string>
                 <string>_setSpecialise</string>
+                <string>_setAggregate</string>
               </list>
             </value>
         </item>

master/bt5/slapos_erp5/bt/revision

-24
\ No newline at end of file
+25
\ No newline at end of file