Fix display of panel arrows on experiment view

beat/web/experiments/templates/experiments/view.html

@@ -198,7 +198,7 @@
 
               <div class="panel-heading" role="tab" id="heading-{{ block.name }}">
                 <h4 class="panel-title">
-                  <a{% if not error_report and block.done and block_status != 'Cancelled' %} class="collapsed"{% endif %} role="button" data-toggle="collapse" data-parent="#{{ block.name }}" href="#collapse-{{ block.name }}" aria-expanded="{% if error_report and block.done and block_status != 'Cancelled' %}true{% else %}false{% endif %}" aria-controls="collapse-{{ block.name }}">
+                  <a{% if error_report and block.done and block_status != 'Cancelled' %} class="collapsed"{% endif %} role="button" data-toggle="collapse" data-parent="#{{ block.name }}" href="#collapse-{{ block.name }}" aria-expanded="{% if error_report and block.done and block_status != 'Cancelled' %}true{% else %}false{% endif %}" aria-controls="collapse-{{ block.name }}">
                     <i data-toggle="tooltip" data-placement="bottom" title="{{ block_status }}"
                       {% if block_status == 'Not cached' %}
                       class="icon-scheduled fa fa-play"