wp-pay-extension unselect choices filter

PaymentMethodsField.php

<?php

//...

$unselect_choices = gf_apply_filters(
    [
        'pronamic_pay_unselect_choices',
        $form_id,
        $this->id
    ],
    !$page || ('form_editor' !== $page && false === strpos($page, 'form_settings')),
    $page
);

if ($unselect_choices) {
    $choices = array_filter($choices, array($this, 'filter_choice_is_selected'));
    $choices = array_map(array($this, 'unselect_choice'), $choices);
}