pos/pos_fix_search_limit/views/pos_fix_limit.xml

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

<odoo>

    <template id="assets" name="pos_fix_search_limit assets" inherit_id="point_of_sale.assets">
        <xpath expr="." position="inside">
            <script type="text/javascript" src="/pos_fix_search_limit/static/src/js/pos_fix_search_limit.js"></script>
        </xpath>
    </template>

</odoo>