Locate the control input with the given ``id``.

    :param browser: ``world.browser``
    :param string field_type: a field type (i.e. `button`)
    :param string id: ``id`` attribute

    Returns: an :class:`ElementSelector`

def find_field_by_id(browser, field_type, id):
    """
    Locate the control input with the given ``id``.

    :param browser: ``world.browser``
    :param string field_type: a field type (i.e. `button`)
    :param string id: ``id`` attribute

    Returns: an :class:`ElementSelector`
    """
    return ElementSelector(
        browser,
        xpath=field_xpath(field_type, 'id') % string_literal(id),
        filter_displayed=True,
    )