[FIX] base: create user not from company_id=1
[FIX] base: create user not from company_id=1

In new API conversion (7eab8e26d3d) a SUPERUSER_ID was dropped hence
we could get an error instead of the default groups_id of a res.users (if
the user has no read permission for `default user`).

opw-687521

hip-odoo/odoo,ygol/odoo,hip-odoo/odoo,hip-odoo/odoo,hip-odoo/odoo,hip-odoo/odoo,ygol/odoo,ygol/odoo,ygol/odoo,hip-odoo/odoo,ygol/odoo,ygol/odoo,ygol/odoo