web/web_action_conditionable/views/view.xml

<?xml version="1.0" encoding="utf-8"?>
<!-- Copyright 2018 Cristian Salamea
     License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl). -->

<odoo>

    <template id="assets_backend" name="action conditionable assets" inherit_id="web.assets_backend">
        <xpath expr="." position="inside">
            <script type="text/javascript" src="/web_action_conditionable/static/src/js/views.js"></script>
        </xpath>
    </template>

</odoo>