* it is incorrect to pass a Transformation object as an argument to
   getAggregatedAmountList, as it is not an Amount.
* hacking the REQUEST to pass it to asContext just to set variation_category on
   the new temp Document was quite nasty


git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@33902 20353a03-c40f-0410-a6d1-a30d3c3de9de