adding privacy default on import or upload

rowers/templates/panel_comments.html

@@ -11,12 +11,16 @@
         <th>Distance:</th><td>{{ workout.distance }}m</td>
       </tr><tr>
         <th>Duration:</th><td>{{ workout.duration |durationprint:"%H:%M:%S.%f" }}</td>
-      </tr><tr>
+      </tr>
+      {% if workout.privacy != 'hidden' %}
+      <tr>
         <th>Public link to this workout</th>
         <td>
           <a href="/rowers/workout/{{ workout.id|encode }}">https://rowsandall.com/rowers/workout/{{ workout.id|encode }}</a>
         </td>
-      </tr><tr>
+      </tr>
+      {% endif %}
+      <tr>
         <th>Comments</th>
         <td>
           <a href="/rowers/workout/{{ workout.id|encode }}/comment">Comment ({{ aantalcomments }})</a>