Version dropdown menu stuck in nav on mobile

[chalin]

Here's an example from a site I'm migrating to Docsy. Notice the scroll bar that has appeared in the navbar:

Scrolling reveils the dropped down menu part:

Feels like the same / similar issue that we faced with the light-dark mode menu. Possibly related:

• Always show lang menu in navbar #2303
• Light/dark-mode dropdown isn't visible under narrow displays #1916
• [RTL] Light/dark-mode dropdown menu position is pinned to the right on narrow displays #2003
• [UX] Leave language dropdown menu in the top nav, use icon for title #2132