discourse/app/assets/javascripts/wizard/templates/components/wizard-field.hbs

<label>
  <span class='label-value'>{{field.label}}</span>

  <div class='input-area'>
    {{component inputComponentName field=field step=step inputClassName=inputClassName}}
  </div>

  {{#if field.errorDescription}}
    <div class='field-error-description'>{{field.errorDescription}}</div>
  {{/if}}

  {{#if field.description}}
    <div class='field-description'>{{field.description}}</div>
  {{/if}}
</label>