You can rewrite the woodmart_scroll_top_btn function so in such a way you can remove that sharp. It is situated in /themes/woodmart/inc/functions.phphttps://prnt.sc/dXpYPbjeEHXA
Just copy it to the functions.php file in your child theme and make changes per your needs.
In general, the sharp used to avoid redirection. Send me some screenshots in the privet area where I can see where you click to see that sharp in the end.