Put featured picture below publish title in admin space

As a substitute of inserting a brand new column with a featured picture on it, I want to put the featured picture below the publish’s already current title. I can not appear to determine the way you insert issues on the title property nevertheless. Reaching this:

I’ve discovered this publish: How am i able to place Characteristic Picture below title subject in wp-admin?

With a snippet that I can not get to work.
In any other case there are many options for including new columns with featured photos in them.

I’ve arrived at one thing like this:

add_action('admin_head-edit.php', perform(){
    add_filter('the_title', perform( $title, $id ) {
        return $title . get_the_post_thumbnail_url();
    }, 100, 2);
});

But when I take advantage of get_the_post_thumbnail_url the url is embedded as a part of the title, and if I take advantage of the_post_thumbnail( 'thumbnail' ) it renders the picture twice.