Annotation: Change to switchbox (Bug #1431569)

Change-Id: I91b8b698a0aa9d3aa828ce85f93973a205d5bdb2
Signed-off-by: Kristina D.C. Hoeppner <kristina@catalyst.net.nz>

htdocs/artefact/annotation/blocktype/annotation/lib.php

@@ -214,7 +214,7 @@ class PluginBlocktypeAnnotation extends SystemBlocktype {
                 'help' => true,
             ),
             'allowfeedback' => array(
-                'type'         => 'checkbox',
+                'type'         => 'switchbox',
                 'title'        => get_string('allowannotationfeedback', 'artefact.annotation'),
                 'defaultvalue' => (!empty($artefact) ? $artefact->get('allowcomments') : 1),
             ),