* Resource_getPriceCalculationOperandDict must return base_unit_price even if price is not found. So the meaning of the default parameter has changed slightly - now it represents the default value of price instead of the default value of the returned result. This way is more backward compatible.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@35665 20353a03-c40f-0410-a6d1-a30d3c3de9de