Add a javascript link to toffle the sidebar on submission pages for admin.

opentech/apply/funds/templates/funds/applicationsubmission_admin_detail.html

@@ -43,4 +43,5 @@
     <script src="{% static 'js/apply/tabs.js' %}"></script>
     <script src="{% static 'js/apply/toggle-actions-panel.js' %}"></script>
     <script src="{% static 'js/apply/toggle-reviewers.js' %}"></script>
+    <script src="{% static 'js/apply/toggle-sidebar.js' %}"></script>
 {% endblock %}

opentech/static_src/src/javascript/apply/toggle-sidebar.js

+(function ($) {
+
+    'use strict';
+
+    var $sidebar = $('.sidebar');
+    $('.tabs__container').append('<a class="tab__item tab__item--right js-sidebar-toggle" href="#">Toggle sidebar</a>');
+    $('.js-sidebar-toggle').click(function (e) {
+        e.preventDefault();
+        $sidebar.toggleClass('hidden');
+    });
+
+})(jQuery);
+