Dropdown opens only at the first click

I made responsive navbar, where some elements have dropdowns
So in mobile menu I have 3 levels: sandwitch menu - elements in the original navbar - opened dropdown

For some reason I can open dropdown only once in the mobile view.
Video is here: Screenshare 2023 01 04 9 28 12 PM - YouTube
Maybe somebody can help or give an advice.

Thank you!



Here is my site Read-Only: LINK
(how to share your site Read-Only link)