FS-8908 - [verto_communicator] Link to preview camera and mic under settings

html5/verto/verto_communicator/src/partials/modal_settings.html

@@ -35,6 +35,7 @@
     </select>
   </div>
 
+  <a class="btn btn-primary" href="#/preview" ng-click="ok()">Preview Settings</a>
   <a class="btn btn-primary" href="" ng-click="refreshDeviceList()">Refresh device list</a>
 
   <div class="form-group">