discourse-custom-wizard/assets/javascripts/discourse/templates/admin-wizard-submissions.hbs

<div class="wizard-header large">
  <label>{{i18n 'admin.wizard.submissions.title' name=wizard.name}}</label>
  
  <a class="btn btn-default download-link" href="{{downloadUrl}}" target="_blank">
     {{d-icon 'download'}}
     <span class="d-button-label">
       {{i18n "admin.wizard.submissions.download"}}
     </span>
  </a>
</div>

<div class="wizard-submissions">
  <table>
    <tr>
      {{#each fields as |f|}}
        <th>{{f}}</th>
      {{/each}}
    </tr>
    {{#each submissions as |s|}}
      <tr>
        {{#each-in s as |k v|}}
          <td>{{v}}</td>
        {{/each-in}}
      </tr>
    {{/each}}
  </table>
</div>