activity: Display short name instead of full email address.

As of this writing, short_name is the part before the @-sign,
and we already display the realm, so no need to display it
twice.

(imported from commit f5f9b29bff99b36b0c23176348c2869193467c38)

templates/zephyr/activity.html

@@ -43,7 +43,7 @@
     {% for email, row in activity.sorted_rows %}
         <tr class="{{ row.class }}">
         <td><strong>{{ row.full_name }}</strong></td>
-        <td><strong>{{ email }}</strong></td>
+        <td><strong>{{ row.short_name }}</strong></td>
         <td><strong>{{ row.realm }}</strong></td>
         <td sorttable_customkey="{{ row.get_updates_last|date:'YmdHi' }}">{{ row.get_updates_last }}</td>
         <td sorttable_customkey="{{ row.send_message_last|date:'YmdHi' }}">{{ row.send_message_last }}</td>

zephyr/views.py

@@ -1160,6 +1160,7 @@ class ActivityTable(object):
                 row = self.rows.setdefault(record.user_profile.user.email, {})
                 row['realm'] = record.user_profile.realm.domain
                 row['full_name'] = record.user_profile.full_name
+                row['short_name'] = record.user_profile.short_name
                 row[query_name + '_count'] = record.count
                 row[query_name + '_last' ] = record.last_visit