account-financial-tools/account_spread_cost_revenue/views/account_invoice.xml

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

    <record id="view_supplier_invoice_spread" model="ir.ui.view">
        <field name="model">account.invoice</field>
        <field name="inherit_id" ref="account.invoice_supplier_form"/>
        <field name="arch" type="xml">
            <xpath expr="//field[@name='invoice_line_ids']/tree/field[@name='quantity']" position="before">
                <field name="spread_check" widget="spread_line_widget" groups="account.group_account_user,account.group_account_manager"/>
            </xpath>
        </field>
    </record>

    <record id="view_customer_invoice_spread" model="ir.ui.view">
        <field name="model">account.invoice</field>
        <field name="inherit_id" ref="account.invoice_form"/>
        <field name="arch" type="xml">
            <xpath expr="//field[@name='invoice_line_ids']/tree/field[@name='quantity']" position="before">
                <field name="spread_check" widget="spread_line_widget" groups="account.group_account_user,account.group_account_manager"/>
            </xpath>
        </field>
    </record>

</odoo>