app-odoo/app_purchase_superbar/report/purchase_report_views.xml

<odoo>
  <data>
      <!-- report -->
    <record id="view_purchase_order_search_superbar" model="ir.ui.view">
        <field name="name">report.purchase.order.search.superbar</field>
        <field name="model">purchase.report</field>
        <field name="inherit_id" ref="purchase.view_purchase_order_search"/>
        <field name="arch" type="xml">
            <xpath expr="//search">
                <searchpanel view_types="list,kanban,pivot,graph">
                    <field name="company_id" groups="base.group_multi_company" icon="fa-building"/>
                    <field name="partner_id" select="multi"/>
                    <field name="category_id" select="multi"/>
                    <field name="product_id"/>
                </searchpanel>
            </xpath>
        </field>
    </record>
  </data>
</odoo>