MINI

C:/xampp/phpMyAdmin/templates/table/relation/

files >> C:/xampp/phpMyAdmin/templates/table/relation/dropdown_generate.twig

 {{ dropdown_question is not empty ? dropdown_question -}}
<select name="{{ select_name }}">
{% for one_value, one_label in choices %}
    <option value="{{ one_value }}"
        {%- if selected_value == one_value %} selected="selected"{% endif %}>
        {{ one_label }}
    </option>
{% endfor %}
</select>