GUAC-1101: Sort connection records in descending order.

extensions/guacamole-auth-mysql/src/main/resources/net/sourceforge/guacamole/net/auth/mysql/dao/ConnectionRecordMapper.xml

@@ -49,8 +49,8 @@
         WHERE
             connection_id = #{identifier,jdbcType=VARCHAR}
         ORDER BY
-            start_date,
-            end_date
+            start_date DESC,
+            end_date DESC
 
     </select>