[IMP] Improve xpath selector and formatting for new mail templates

mail_debrand/views/mail_notification_view.xml

@@ -15,15 +15,21 @@
 
     <!-- Replaces Powered By on these notifications -->
     <template id="mail_notification_borders" inherit_id="mail.mail_notification_borders" priority="99">
-        <xpath expr="//tr[last()]" position="replace" />
+        <xpath expr="//td[text()[contains(., 'Powered by')]]" position="replace" >
+            <td align="center" style="padding: 8px; font-size:11px;" />
+        </xpath>
     </template>
 
     <template id="mail_notification_light" inherit_id="mail.mail_notification_light" priority="99">
-        <xpath expr="//tr[last()]" position="replace" />
+        <xpath expr="//td[text()[contains(., 'Powered by')]]" position="replace" >
+            <td align="center" style="min-width: 590px;" />
+        </xpath>
     </template>
 
     <template id="mail_notification_paynow" inherit_id="mail.mail_notification_paynow" priority="99">
-        <xpath expr="//tr[last()]" position="replace" />
+        <xpath expr="//td[text()[contains(., 'Powered by')]]" position="replace" >
+            <td align="center" style="min-width: 590px; padding: 8px; font-size:11px;"/>
+        </xpath>
     </template>
 
 </odoo>