app-odoo/app_purchase_superbar_pro/views/purchase_order_views.xml

<odoo>
  <data>
      <!-- purchase quotation -->
    <record id="app_view_purchase_order_filter" model="ir.ui.view">
        <field name="name">purchase.order.search.quotation.superbarpro</field>
        <field name="model">purchase.order</field>
        <field name="inherit_id" ref="purchase.view_purchase_order_filter"/>
        <field name="arch" type="xml">
            <xpath expr="//searchpanel//field[1]" position="before">
                <field name="date_approve"/>
                <field name="date_order"/>
            </xpath>
        </field>
    </record>
      <!-- purchase order -->
    <record id="app_purchase_order_view_search" model="ir.ui.view">
        <field name="name">purchase.order.search.order.superbarpro</field>
        <field name="model">purchase.order</field>
        <field name="inherit_id" ref="purchase.purchase_order_view_search"/>
        <field name="arch" type="xml">
            <xpath expr="//searchpanel//field[@name='company_id']" position="before">
                <field name="date_approve"/>
                <field name="date_order"/>
            </xpath>
        </field>
    </record>
  </data>
</odoo>