Bug: GIF playback too slow

[dmnyc]

I recently noticed that some GIFs play much slower than expected, around 50% slower perceptually.

Example note ID: note13s9jmd8d0w8en04qpejwqmwkmczslmxxgtwq022ll6xvhh59xqssvl8p7s

Image URL: https://i.nostr.build/AKTTSFjYLCcJudiG.gif

Version: 1.14
OS: 18.6.2
Model: 13 Pro Max

Video comparison Damus and Primal:
https://github.com/user-attachments/assets/2aa7d6f1-ddf7-4614-8dbe-120c370d9f17
https://github.com/user-attachments/assets/e8e41553-e54f-4c16-be63-25b32322f6cd

[linear]

IOS-2113 Bug: GIF playback too slow

[alltheseas]

@jb55 @danieldaquino see performance testing