I’m interested in: Did you solve the problem?
Best regards
Karoly
P.S.:
I found the answer here:
http://forums.creativeclouddeveloper.com/t/component-with-hook-and-menu/4477/3
UXP does not support React Spectrum for UI. You can use the Spectrum UXP for your UI instead or build your own UI that mimics Spectrum if you choose.
"