{# overrides button_widget to add icon parameter @see \Zikula\Bundle\FormExtensionBundle\Form\Extension\ButtonTypeIconExtension #}
{% block button_widget -%}
    {% set attr = attr|merge({class: (attr.class|default('') ~ ' btn')|trim}) %}
    {% if label is empty -%}
        {%- if label_format is not empty -%}
            {% set label = label_format|replace({
            '%name%': name,
            '%id%': id,
            }) %}
        {%- else -%}
            {% set label = name|humanize %}
        {%- endif -%}
    {%- endif -%}
    {% if icon|default %}
        {% set iconHtml = '<i class="fas ' ~ icon ~ '"></i> ' %}
    {% else %}
        {% set iconHtml = '' %}
    {% endif %}
    <button type="{{ type|default('button') }}" {{ block('button_attributes') }}>{{ iconHtml|raw }}{{ translation_domain is same as(false) ? label : label|trans(label_translation_parameters, translation_domain) }}</button>
{%- endblock button_widget %}

{# overrides textarea_widget to catch array to string conversion issues when a form returns with errors #}
{%- block textarea_widget -%}
    {% set attr = attr|merge({class: (attr.class|default('') ~ ' form-control')|trim}) %}
    <textarea {{ block('widget_attributes') }}>{{ value is iterable ? value|join("\n") : value }}</textarea>
{%- endblock textarea_widget -%}