Replace text in CF Connected Forms buttons

cf-custom-code.php

<?php
/*
 * Plugin Name: CF custom code
 * Author: New0
 * Description: Force connected Submit button text if translation didn't apply 
 */

add_action('wp_footer', function() {
  ?>
  <script type="text/javascript">
      document.addEventListener("DOMContentLoaded", connectedFormsButtonText);
      jQuery( document ).ajaxComplete( connectedFormsButtonText );
      function connectedFormsButtonText() {
        if(jQuery("#cffld_nextnav_1").attr('value') === "Submit"){
          jQuery("#cffld_nextnav_1").attr('value', 'Pošalji');
        }
      }
</script>
  <?php
});