[FIX] website_slides: display slide total time in minutes

And hide if no time set

task-fpreq

closes odoo/odoo#34346

Signed-off-by: Jérémy Kersten (jke) <jke@openerp.com>

addons/website_slides/views/website_slides_templates_homepage.xml

@@ -303,7 +303,7 @@
         </div>
         <div class="card-footer bg-white text-600 px-3">
             <div class="d-flex justify-content-between align-items-center">
-                <small class="font-weight-bold" t-field="channel.total_time" t-options='{"widget": "float_time"}'/>
+                <small t-if="channel.total_time" class="font-weight-bold"><t t-esc="channel.total_time * 60" t-options="{&quot;widget&quot;: &quot;integer&quot;}"/> min</small>
                 <div class="d-flex flex-grow-1 justify-content-end">
                     <t t-if="channel.is_member and channel.completed">
                         <span class="badge badge-pill badge-success pull-right py-1 px-2"><i class="fa fa-check"/> Completed</span>