Hover on Ecosustem menu item is broken

[shadow-identity]

Repro:

1. Go to matrix.org
2. Hover over Ecosystem menu item to see the dropdown list
3. Try to select any item in the dropdown.

Screen.Recording.2024-04-03.at.17.58.34.mov

Firefox Dev Edition 125.0b7 (64-bit)
macOS 14.4.1 (23E224)

[MTRNord]

Yeah thats known and being worked on at #2267