Updated JS to ignore hidden next button when adding the spinner to the form so it does not add two.

js/spinner.js

@@ -22,9 +22,11 @@
       });
       for (var base in settings.spinner) {
         var id = '#' + base;
+        // Don't add spinner to the hidden next/ingest button.
+        if (id != '#edit-hidden-next') {
           $(id, context).once('spinner', function () {
             var spinner = new Spinner(settings.spinner[base].opts);
-          $(id).parents('form').one('submit', function(event) {
+            $(id).parents('form').one('submit', function (event) {
               if ($(this).data('clicked').is(id)) {
                 event.preventDefault();
                 // Add Message.
@@ -39,12 +41,12 @@
                 if (navigator.userAgent.indexOf('Safari') != -1 && navigator.userAgent.indexOf('Chrome') == -1) {
                   $(':submit').attr('disabled', 'disabled');
                 }
-              setTimeout(function() {
+                setTimeout(function () {
                   // Allow for the button to be clicked, then click it then
                   // prevent the default behavoir.
                   $(id).removeAttr('disabled')
                     .click()
-                  .click(function(event) {
+                    .click(function (event) {
                       event.preventDefault();
                     });
                 }, 500);
@@ -54,5 +56,6 @@
           });
         }
       }
+    }
   };
 })(jQuery);