Bug 28223: Add data elements to negative budgets

Bug 28223: Add data elements to negative budgets

To test:
1 - Have a parent fund and a child fund
2 - Order an amount from the child fund that is greater than the amount available
3 - Browse to acquisitions
4 - Confirm the totals look right
5 - Click on the over spent fund to go to 'Funds for main budget'
6 - Note the totals are incorrect
7 - Apply patch
8 - Reload
9 - Totals are now correct

Signed-off-by: Martin Renvoize <martin.renvoize@ptfs-europe.com>
Signed-off-by: Jonathan Druart <jonathan.druart@bugs.koha-community.org>