Reinit gravity form after submission

form.js

import '@nobleclem/jquery-multiselect';

export default () => {
  let FormElement = $('.content-form__form-wrapper');

  if ( FormElement.length ) {
    let FormId = FormElement.attr('data-form-id'),
        FormHtml = $('<div />').append(FormElement.clone()).html();

    $(document).on('gform_confirmation_loaded', function() {
      FormElement.find(`.gform_confirmation_message_${FormId}`).wrap('<div />').parent().html(FormHtml);
      FormElement.find(`#gform_wrapper_${FormId}`).unwrap();

      $(document).trigger('gform_post_render', [FormId, 0]);

      $('#submission').modal();
    });

    $(document).on('gform_post_render', function(){
      $('.gfield_select[multiple]').multiselect();
    });

    jQuery('.gfield_select[multiple]').multiselect();
  }
}