I had the same problem yesterday, I had to make an interaction: Mouse hover [dropdownmenu] = show/hide = show.
Maybe you can look around in my link: https://preview.webflow.com/preview/rtz?utm_medium=preview_link&utm_source=designer&utm_content=rtz&preview=c25171830782a381d45237850fe6b78e&pageId=5ea2f308da8bd2cce636e03b
I hope this helps