erp5_mrp: only expand when it's confirmed

bt5/erp5_mrp/SkinTemplateItem/portal_skins/erp5_mrp/SimulationMovement_testTransformationSimulationRule.py

 specialise_list = context.getSpecialiseValueList(portal_type="Transformation")
 if  (len(specialise_list) == 1 and
-     context.getResource() == specialise_list[0].getResource()):
+     context.getResource() == specialise_list[0].getResource() and context.getSimulationState() == 'confirmed'):
   parent = context.getParentValue()
   parent_specialise_portal_type = parent.getSpecialiseValue().getPortalType()
   # Case Manufacturing Order at the root producing a Manufacturing Execution