Delta palette can balloon file size
Issue description
- https://squoosh.app/
- Select the squoosh logo demo
- Select JXL lossless - 43.2 kB
- Select "slight loss" (this is delta palette) - 213 kB
It doesn't happen at efforts 5 & 6, but it happens at efforts 3 & 4.
Environment
Squoosh, which is currently v0.3.3.