odoo16/addons/mail/wizard/mail_template_reset_views.xml

<?xml version="1.0" encoding="utf-8"?>
<odoo>
    <record id="mail_template_reset_view_form" model="ir.ui.view">
        <field name="name">mail.template.reset.view.form</field>
        <field name="model">mail.template.reset</field>
        <field name="priority">1000</field>
        <field name="arch" type="xml">
            <form>
                <div>
                    Are you sure you want to reset these email templates to their original configuration? Changes and translations will be lost.
                </div>
                <footer>
                    <button string="Proceed" class="btn btn-primary" type="object" name="reset_template" data-hotkey="q"/>
                    <button string="Cancel" class="btn-secondary" special="cancel" data-hotkey="z"/>
                </footer>
            </form>
        </field>
    </record>

    <record id="mail_template_reset_action" model="ir.actions.act_window">
        <field name="name">Reset Mail Template</field>
        <field name="res_model">mail.template.reset</field>
        <field name="binding_model_id" ref="mail.model_mail_template"/>
        <field name="binding_view_types">list</field>
        <field name="type">ir.actions.act_window</field>
        <field name="view_mode">form</field>
        <field name="target">new</field>
        <field name="context">{
            'default_template_ids': active_ids
        }</field>
        <field name="view_id" ref="mail_template_reset_view_form"/>
    </record>
</odoo>