A small part of the accounts type were incorrectly changed in Odoo 15 by odoo/83039
We are bringing the old type back.

Task link: https://www.odoo.com/web#id=3263687&model=project.task


task-3263687

closes odoo/odoo#117795

Signed-off-by: Josse Colpaert <jco@odoo.com>