ENGCOM-7034: MAG-251090-26590: Fixed Customer registration multiple form submit #26642

 - Merge Pull Request #26642 from antilprince/magento2:MAG-251090-26590
 - Merged commits:
   1. d702078
   2. f695643

Author: magento-engcom-team

app/code/Magento/Customer/view/frontend/templates/form/register.phtml

@@ -301,6 +301,12 @@ require([
         ignore: ignore ? ':hidden:not(' + ignore + ')' : ':hidden'
     <?php endif ?>
     }).find('input:text').attr('autocomplete', 'off');
+    dataForm.submit(function () {
+        $(this).find(':submit').attr('disabled', 'disabled');
+    });
+    dataForm.bind("invalid-form.validate", function () {
+        $(this).find(':submit').prop('disabled', false);
+    });
 
 });
 </script>