grav-admin-first/user/plugins/form/templates/forms/default/fields.html.twig

{% for field_name, field in fields %}
    {% if field.type and not field.validate.ignore %}
        {%- if field_name starts with '.' -%}
            {% set field_name = name ? name ~ field_name : field_name[1:] %}
            {% set field = field|merge({ name: field_name }) %}
        {% endif %}

        {% set value = form ? form.value(field_name) : data.value(field_name) %}
        {% block inner_markup_field_open %}{% endblock %}
        {% block field %}
            {% include ["forms/fields/#{field.type}/#{field.type}.html.twig", 'forms/fields/text/text.html.twig'] %}
        {% endblock %}
        {% block inner_markup_field_close %}{% endblock %}
    {% endif %}
{% endfor %}