Before this commit, the current user can create a private task for another user. This commit fixes the access rights to avoid the user to create private tasks for another user. closes odoo/odoo#90938 X-original-commit: 106826b1ffcd9a18ce5d4674c526bce4f2efca9e Signed-off-by: Laurent Stukkens (ltu) <ltu@odoo.com> Signed-off-by: Xavier <xbo@odoo.com>