default switch 1 laravel collective infyom

\vendor\laravelcollective\html\src

// rodro added formbuilder
        if(is_null($checked)){
            $options['checked'] = 'checked';
        }
// rodro end formbuilder

================full code ==============
protected function checkable($type, $name, $value, $checked, $options)
    {
        $this->type = $type;

        $checked = $this->getCheckedState($type, $name, $value, $checked);

        // rodro added formbuilder
        if(is_null($checked)){
            $options['checked'] = 'checked';
        }
        // rodro end formbuilder

        if ($checked) {
            $options['checked'] = 'checked';
        }

        return $this->input($type, $name, $value, $options);
    }