Fix AdoptSolver. A movement could have more than one related Simulation Movement, and the one returned by getDeliveryRelatedValue() might not be the one that is divergent. It could be not even a Simulation Movement at all!

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@44568 20353a03-c40f-0410-a6d1-a30d3c3de9de