Another performance update in Spring v0.14

Most UI actions were taking 100+ ms of rendering. We managed to get this down to ~20ms and it's so much smoother now!

https://void.cat/d/QJ6cewFN3XchgHf6iCR7hz.mp4

Play Store: https://play.google.com/store/apps/details?id=com.nostr.universe
APK: https://github.com/nostrband/nostr-universe/releases/download/v0.14.1/spring-nostr-browser-v0.14.1.apk