account-financial-tools/account_cost_center/views/account_invoice_report_views.xml

<?xml version="1.0" encoding="utf-8" ?>
<odoo>
    <record id="view_account_invoice_report_search" model="ir.ui.view">
        <field name="model">account.invoice.report</field>
        <field name="inherit_id" ref="account.view_account_invoice_report_search" />
        <field name="arch" type="xml">
            <xpath expr="//group/filter[@name='user']" position="after">
                <filter
                    string="Cost Center"
                    name="cost_center"
                    context="{'group_by':'cost_center_id'}"
                />
            </xpath>
        </field>
    </record>
</odoo>