* make sorting on the listbox displayed by jump working
(before it was changing the number of columns)
* some jump were sometimes not working when another jump
was used before, so reset selection in order to make every jump
independant

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@35113 20353a03-c40f-0410-a6d1-a30d3c3de9de