0fbcb238c0

Add option to shorten names of files and directories if too long.

2

### Description One of the artists I am currently downloading has a few posts, whose filenames surpasses the limit of 255 characters. Please add an option to shorten filenames to...

**Describe the bug** Converting a layered JXL image using `cjxl` will lead to those layers being coalesced during the conversion. **To Reproduce** I have attached a layered JXL image with...