Fix category is not an object

git-svn-id: https://svn.typo3.org/TYPO3v4/Extensions/commerce/branches/55612@84498 735d13b6-9817-0410-8766-e36946ffe9aa
Add store data in basket to change of payment

git-svn-id: https://svn.typo3.org/TYPO3v4/Extensions/commerce/branches/55612@84499 735d13b6-9817-0410-8766-e36946ffe9aa