erp5_mrp: Possible to cancel production packing List in started and stopped state

bt5/erp5_mrp/WorkflowTemplateItem/portal_workflow/production_packing_list_workflow/state_started.xml

@@ -16,6 +16,8 @@
             <key> <string>categories</string> </key>
             <value>
               <tuple>
+                <string>destination/portal_workflow/production_packing_list_workflow/transition_cancel</string>
+                <string>destination/portal_workflow/production_packing_list_workflow/transition_cancel_action</string>
                 <string>destination/portal_workflow/production_packing_list_workflow/transition_deliver</string>
                 <string>destination/portal_workflow/production_packing_list_workflow/transition_deliver_action</string>
                 <string>destination/portal_workflow/production_packing_list_workflow/transition_stop</string>

bt5/erp5_mrp/WorkflowTemplateItem/portal_workflow/production_packing_list_workflow/state_stopped.xml

@@ -16,6 +16,8 @@
             <key> <string>categories</string> </key>
             <value>
               <tuple>
+                <string>destination/portal_workflow/production_packing_list_workflow/transition_cancel</string>
+                <string>destination/portal_workflow/production_packing_list_workflow/transition_cancel_action</string>
                 <string>destination/portal_workflow/production_packing_list_workflow/transition_deliver</string>
                 <string>destination/portal_workflow/production_packing_list_workflow/transition_deliver_action</string>
               </tuple>