Issue: A user has write access rights to modify his own attendances. However, he can modify the `employee_id` field. This can cause attendances to be moved to other employees. opw-3280850 closes odoo/odoo#120632 X-original-commit: 1c25a9b964e9e2acf9d431897e83cf72ecdca1cb Signed-off-by: Kevin Baptiste <kba@odoo.com> Signed-off-by: Lefebvre Thomas (thle) <thle@odoo.com>