PaginationReturn2.js

<script>
    jQuery(document).ready(function($) {
        setTimeout(function() {
            $('.et_pb_gallery_pagination a').click(function(event) {
                event.preventDefault();
                $('html, body').animate({
                    scrollTop: 0
                }, 'smooth');
            });
        }, 1000);
    });
</script>

paginationReturnTop.js

<script>
  document.querySelectorAll('.et_pb_gallery_pagination a').forEach(link => {
    link.addEventListener('click', function(event) {
      event.preventDefault();
      
      // Scroll to the top of the page
      window.scrollTo({ top: 0, behavior: 'smooth' });
    });
  });
</script>