No easy way that I’ve found.
Webflow.js registers a page-wide event so that if you click anywhere, dropdowns close. There isn’t an exposed option to control that behavior, and webflow.js itself isn’t editable unless you export your site and host it elsewhere.
It sounds like you’re referring more to a ToC type of in-page navigation. I build this using Finsweet ToC. It can also be setup to style the item you’re scrolled to.
For example;
