Adding footer id to autohide the OKD footer

Author: aireilly

_templates/_page_openshift.html.erb

@@ -750,14 +750,14 @@
   <!-- hide footer after 3 seconds -->
   <script type="text/javascript">
     const hideFooter = () => {
-        document.querySelector('footer#rh').style.display = "none";
+        document.querySelector('footer').style.display = "none";
       };
 
     window.addEventListener('scroll', function() {
       if (window.innerHeight + window.scrollY >= document.body.offsetHeight) {
         setTimeout(hideFooter, 3000);
       } else {
-        document.querySelector('footer#rh').style.display = "block";
+        document.querySelector('footer').style.display = "block";
       }
     })
   </script>