dceef49f33
## Description In Gallery, even if thumbnails are stored in LRU cache, there was a delay in rendering thumbnails when scrolling fast enough. Pre-caching these thumbnails to flutter's `ImageCache` right before they're rendered has made the rendering fast enough for seamless UX. #### Before: https://github.com/user-attachments/assets/c47958fb-fbda-4e1f-9ce7-26b51ca87938 #### After: https://github.com/user-attachments/assets/cbaf4427-f52f-4544-a0c2-820eb2b43953