[FIX] mrp: do not blindly override stock.move's _action_cancel

addons/mrp/models/stock_move.py

@@ -83,7 +83,7 @@ class StockMove(models.Model):
         return res
 
     def _action_cancel(self):
-        if any(move.quantity_done for move in self): #TODO: either put in stock, or check there is a production order related to it
+        if any(move.quantity_done and (move.raw_material_production_id or move.production_id) for move in self):
             raise exceptions.UserError(_('You cannot cancel a manufacturing order if you have already consumed material.\
              If you want to cancel this MO, please change the consumed quantities to 0.'))
         return super(StockMove, self)._action_cancel()