Fix explore groups landing toggle

app/assets/javascripts/pages/explore/groups/index.js

@@ -12,5 +12,5 @@ document.addEventListener('DOMContentLoaded', () => {
     landingElement.querySelector('.dismiss-button'),
     'explore_groups_landing_dismissed',
   );
-  exploreGroupsLanding.toggleClass('hidden');
+  exploreGroupsLanding.toggle();
 });

app/views/explore/groups/index.html.haml

@@ -9,7 +9,7 @@
   = render 'nav'
 
 - if cookies[:explore_groups_landing_dismissed] != 'true'
-  .explore-groups.landing.content-block.js-explore-groups-landing.hidden
+  .explore-groups.landing.content-block.js-explore-groups-landing.hide
     %button.dismiss-button{ type: 'button', 'aria-label' => 'Dismiss' }= icon('times')
     .svg-container
       = custom_icon('icon_explore_groups_splash')