show only included 10 popular tags id in tag clouds widgets

add_filter( 'widget_tag_cloud_args', 'edit_cloud_tags', 10, 4 );

function edit_cloud_tags( $args, $instance ) {
    $popular_tags = get_terms(
        array(
            'taxonomy' => 'post_tag',
            'orderby'  => 'count',
            'order'    => 'DESC',
            'number'   => 10, /* the number of tags list you want to show */
        )
    );
    $tag_list     = array();
    foreach ( $popular_tags as $popular_tag ) {
        $tag_list[] = $popular_tag->term_id;
    }
    $args['include'] = $tag_list; /* show onky the included tags id */
    return $args;
}