newsupernova/vendor/magento/module-braintree/view/frontend/templates/paypal/button.phtml

<?php
/**
 * Copyright © Magento, Inc. All rights reserved.
 * See COPYING.txt for license details.
 */

/**
 * @var \Magento\Braintree\Block\Paypal\Button $block
 */

$id = $block->getContainerId() . mt_rand();

$config = [
    'Magento_Braintree/js/paypal/button' => [
        'id' => $id,
        'clientToken' => $block->getClientToken(),
        'displayName' => $block->getMerchantName(),
        'actionSuccess' => $block->getActionSuccess()
    ]
];

?>
<div data-mage-init='<?= /* @noEscape */ json_encode($config) ?>'
    class="paypal checkout paypal-logo braintree-paypal-logo<?= /* @noEscape */ $block->getContainerId() ?>-container">
    <button data-currency="<?= /* @noEscape */ $block->getCurrency() ?>"
       data-locale="<?= /* @noEscape */ $block->getLocale() ?>"
       data-amount="<?= /* @noEscape */ $block->getAmount() ?>"
       id="<?= /* @noEscape */ $id ?>"
       class="action-braintree-paypal-logo" disabled>
        <img class="braintree-paypal-button-hidden"
             src="https://checkout.paypal.com/pwpp/2.17.6/images/pay-with-paypal.png"
             alt="<?= $block->escapeHtml(__('Pay with PayPal')) ?>"
             title="<?= $block->escapeHtml(__('Pay with PayPal')) ?>"/>
    </button>
</div>