Fix checking field's "widget_type" value for CheckboxInput widget
Regression introduced in commit
{% endblock %}
{% block controls %}
- <div class="{% if style|default:"stacked" != 'stacked' %}col-sm-7{% endif %}{% if field.widget_type == 'CheckboxInput' %} form-check{% endif %}">
+ <div class="{% if style|default:"stacked" != 'stacked' %}col-sm-7{% endif %}{% if field.widget_type == 'checkbox' %} form-check{% endif %}">
{% block widget %}
{% if field.widget_type == 'checkbox' %}
<label for="{{ field.auto_id }}" class="col-form-label {% if field.field.required %}required{% endif %}">
