Display: Session link as foldable shows an indicator - refs BT#19664

app/Resources/public/css/base.css

@@ -6467,13 +6467,13 @@ div#chat-remote-video video {
     margin-top: 10px;
 }
 
+.collapse-toogle--right,
 #about-course .about-course--btn-details {
     padding-left: 0;
     padding-right: 25px;
-}
-#about-course .about-course--btn-details {
     background: url("../../main/img/icons/22/arrow-up-collapse.png") no-repeat right center;
 }
+.collapse-toogle--right.collapsed,
 #about-course .about-course--btn-details.collapsed{
     background: url("../../main/img/icons/22/arrow-down-collapse.png") no-repeat right center;
 }

main/template/default/user_portal/classic_session.tpl

@@ -27,7 +27,7 @@
                     {% elseif row.course_list_session_style == 3 %}
                         {# Collapsible/Foldable panel #}
                         <a role="button" data-toggle="collapse" data-parent="#page-content" href="#collapse_{{ row.id }}"
-                           aria-expanded="false">
+                           aria-expanded="false" class="collapse-toogle--right collapsed">
                             {{ session_image }} {{ row.title }}
                         </a>
                         {% if row.collapsable_link %}

main/template/default/user_portal/grid_session.tpl

@@ -144,7 +144,7 @@
                     {# Collapsible panel #}
                     {# Foldable #}
                     <a role="button" data-toggle="collapse" data-parent="#page-content" href="#collapse_{{ row.id }}"
-                       aria-expanded="false">
+                       aria-expanded="false" class="collapse-toogle--right collapsed">
                         {{ session_image }} {{ row.title }}
                     </a>
                     {% set collapsable = 'collapse' %}