This commit removes unnecessary spaces from the XML of the table of content block. Related to opw-3047375 Related to opw-3035502 task-2948895 closes odoo/odoo#107732 X-original-commit: 7ee4cc7d02158c63e6e2bd5eacc94371040872a8 Signed-off-by: Quentin Smetz (qsm) <qsm@odoo.com>