res_users.xml

<?xml version="1.0"?>
<!-- Copyright 2020 Le Filament
     License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl). -->

<odoo>
    <data>
        <!-- FORM -->
        <!-- Inherit Form View to Modify it -->
        <record id="scop_arescop_user" model="ir.ui.view">
            <field name="name">res.users.arescop.form</field>
            <field name="model">res.users</field>
            <field name="inherit_id" ref="base.view_users_form"/>
            <field name="arch" type="xml">
                <xpath expr="//field[@name='companies_count']" position="after">
                    <field name="arescop_group_id" options="{'no_create': 1, 'no_edit': 1}"/>
                </xpath>
            </field>
        </record>

    </data>
</odoo>