issue #929 fixed

sails/src/assets/scripts/modules/student/views/session.html

@@ -204,7 +204,7 @@
             </p>
             </p>
 
 
             <!-- show/hide tries button -->
             <!-- show/hide tries button -->
-            <div class="form-group pull-right">
+            <div class="form-group pull-right" ng-show="ws.id != s.id">
               <span class="control-label"> {{ s.tries.length }} {{ 'tries' | translate }}</span>
               <span class="control-label"> {{ s.tries.length }} {{ 'tries' | translate }}</span>
               <button ng-click="showTries = !showTries" class="btn btn-default btn-sm">
               <button ng-click="showTries = !showTries" class="btn btn-default btn-sm">
                   <div ng-show="!showTries">
                   <div ng-show="!showTries">