account-financial-tools/account_fiscal_position_allowed_journal/views/account_fiscal_position.xml

<?xml version="1.0" encoding="utf-8" ?>
<!-- Copyright 2020 ACSONE SA/NV
     License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl). -->
<odoo>
    <record model="ir.ui.view" id="account_fiscal_position_form_view">
        <field
            name="name"
        >account.fiscal.position.form (in account_fiscal_position_allowed_journal)</field>
        <field name="model">account.fiscal.position</field>
        <field name="inherit_id" ref="account.view_account_position_form" />
        <field name="arch" type="xml">
            <field name="auto_apply" position="after">
                <field name="allowed_journal_ids" widget="many2many_tags" />
            </field>
        </field>
    </record>
</odoo>