Sticky filter in Elementor

Hello,

I’m trying to make the product filter in Elementor sticky, but on desktop a copy of the filter sticks in its original place when you scroll down. It looks like some kind of rendering error or something. Is there a solution for this? See also attached link to the webshop page with the filter on the left side. Thank you in advance!

The page I need help with: [log in to see the link]