[QW][4568187]remove_button_mail

<data>
    <!-- QW[4568187] by RHT on the 12/02/2025
    Task : https://www.odoo.com/odoo/project/5686/tasks/4568187
    Pastebin : https://pastebin.com/u7zX9wvr
    Goal is to remove the portal button from the mails sent : we want to hide the portal view to the customers -->
    <xpath expr="//body" position="before">
        <t t-set="has_button_access" t-value="False"/>
    </xpath>
</data>