Fixed an incorrect bluesheet href

 - Legacy-Id: 11754

Author: rjsparks

ietf/templates/meeting/group_proceedings.html

@@ -37,7 +37,7 @@
       {% endif %}
       {% if session.all_meeting_bluesheets %}
          {% if session.all_meeting_bluesheets|length == 1 %}
-              <a href="{{bs.0.get_absolute_url}}">Bluesheets</a></br>
+              <a href="{{session.all_meeting_bluesheets.0.get_absolute_url}}">Bluesheets</a></br>
          {% else %}
            {% for bs in session.all_meeting_bluesheets %}
               <a href="{{bs.get_absolute_url}}">Bluesheets {{bs.sessionpresentation_set.first.session.official_timeslotassignment.timeslot.time|date:"D G:i"}}</a></br>