avoid maanging it from the sale order view; the website will set the acquirer
for ecommerce related orders. This way the acquirer and tx will be displayed
on the sale order linked to ecommerce sales, and not on other orders.
<field name="inherit_id" ref="sale.view_order_form"/>
<field name="arch" type="xml">
<xpath expr="//field[@name='amount_total']" position="after">
- <field name="payment_acquirer_id"/>
- <field name="payment_tx_id"/>
+ <field name="payment_acquirer_id" attrs="{'invisible': [('payment_acquirer_id', '=', False)]}"/>
+ <field name="payment_tx_id" attrs="{'invisible': [('payment_acquirer_id', '=', False)]}"/>
</xpath>
</field>
</record>