Gravity Form Merge tag for getting embedded post's category (of custom post type)

gravity-form-merge-tag-cpt-get-embedded-post-cat.php

<?php

// merge tag for Job Application Category
add_action( 'gform_admin_pre_render', 'sls_add_merge_tags' );
function sls_add_merge_tags( $form ) {
    ?>
    <script type="text/javascript">
        gform.addFilter('gform_merge_tags', 'add_merge_tags');
        function add_merge_tags(mergeTags, elementId, hideAllFields, excludeFieldTypes, isPrepop, option){
            mergeTags["custom"].tags.push({ tag: '{embededPostCat}', label: 'Embeded Post Category' });
            
            return mergeTags;
        }
    </script>
    <?php
    //return the form object from the php hook  
    return $form;
}

add_filter( 'gform_replace_merge_tags', 'sls_replace_prod_sku_tag', 10, 7 );
function sls_replace_prod_sku_tag( $text, $form, $entry, $url_encode, $esc_html, $nl2br, $format ) {
    
    $custom_merge_tag = '{embededPostCat}';
    
    if ( strpos( $text, $custom_merge_tag ) === false ) {
        return $text;
    }
    
    global $post;
    
    $term_list = wp_get_post_terms($post->ID, 'job-category', array("fields" => "all"));
    foreach($term_list as $term_single) {
    $postCat = $term_single->slug; //do something here
    }
    $text = str_replace( $custom_merge_tag, $postCat, $text );
    
    return $text;
}
?>