china_addons/oec_theme_backend/views/res_users_views.xml

<?xml version="1.0" encoding="utf-8"?>
<odoo>

    <data>
        <record id="view_users_form_simple_modif" model="ir.ui.view">
            <field name="name">res.users.form</field>
            <field name="model">res.users</field>
            <field name="inherit_id" ref="base.view_users_form_simple_modif"/>
            <field name="arch" type="xml">
                <xpath expr="//page[last()]" position="after">
                    <page string="Theme" name="theme">
                        <group>
                            <group string="Main">
                                <!-- <field name="theme_id" invisible="1"/> -->
                                <!-- readonly="1" -->
                                <!-- <field name="theme_id" options="{'no_create_edit': True, 'no_open': True}" /> -->
                                <field name="main_menu_mode"/>
                                <field name="main_submenu_position"/>
                            </group>
                            <group string="Sidebar Navigation">
                                <field name="sidebar_display_number_of_submenus" widget="boolean_toggle"/>
                                <field name="sidebar_fixed" widget="boolean_toggle"/>
                                <field name="sidebar_show_minimize_button" widget="boolean_toggle"/>
                                <field name="sidebar_default_minimized" widget="boolean_toggle"/>
                                <field name="sidebar_hover_maximize" widget="boolean_toggle"/>
                            </group>
                        </group>
                    </page>
                </xpath>
            </field>
        </record>

        <record id="view_users_form" model="ir.ui.view">
            <field name="name">res.users.form</field>
            <field name="model">res.users</field>
            <field name="inherit_id" ref="base.view_users_form"/>
            <field name="arch" type="xml">
                <xpath expr="//page[last()]" position="after">
                    <page string="Theme" name="theme">
                        <group>
                            <group string="Main">
                                <!-- <field name="theme_id" invisible="1"/> -->
                                <!-- readonly="1" -->
                                <!-- <field name="theme_id" options="{'no_create_edit': True, 'no_open': True}"/> -->
                                <field name="main_menu_mode"/>
                                <field name="main_submenu_position"/>
                            </group>
                            <group string="Sidebar Navigation">
                                <field name="sidebar_display_number_of_submenus" widget="boolean_toggle"/>
                                <field name="sidebar_fixed" widget="boolean_toggle"/>
                                <field name="sidebar_show_minimize_button" widget="boolean_toggle"/>
                                <field name="sidebar_default_minimized" widget="boolean_toggle"/>
                                <field name="sidebar_hover_maximize" widget="boolean_toggle"/>
                            </group>
                        </group>
                    </page>
                </xpath>
            </field>
        </record>

    </data>

</odoo>