app-odoo/app_hr_superbar/views/hr_department_views.xml

<?xml version="1.0" encoding="utf-8"?>
<odoo>
    <record id="app_view_department_filter" model="ir.ui.view">
        <field name="name">app.hr.department.search</field>
        <field name="model">hr.department</field>
        <field name="inherit_id" ref="hr.view_department_filter"/>
        <field name="arch" type="xml">
            <xpath expr="//search" position="inside">
                <searchpanel>
                    <field name="parent_id" widget="ztree_select" text="name"/>
                    <field name="company_id" groups="base.group_multi_company"/>
                </searchpanel>
            </xpath>
        </field>
    </record>
</odoo>