odoo16/addons/payment_paypal/data/payment_provider_data.xml

<?xml version="1.0" encoding="utf-8"?>
<odoo noupdate="1">

    <record id="payment.payment_provider_paypal" model="payment.provider">
        <field name="code">paypal</field>
        <field name="redirect_form_view_id" ref="redirect_form"/>
    </record>

</odoo>