Cannot open AVIF files as image

### Summary

I can't open AVIF images on image apps stored in a vault.

### Please agree to the following

- [x] I have searched [existing issues](https://github.com/cryptomator/cryptomator/issues?q=) for duplicates
- [x] I agree to follow this project's [Code of Conduct](https://github.com/cryptomator/cryptomator/blob/develop/.github/CODE_OF_CONDUCT.md)

### What software is involved?

- Operating System: Android 16
- Cryptomator: 2.0.1

### Volume Type

None

### Steps to Reproduce

1. Upload any avif file to a vault
2. Try to open it
3. Just a dark screen appears and cannot select any gallery app

### Expected Behavior

Image opens normally.

### Actual Behavior

A black screen appers.

### Reproducibility

Always

### Relevant Log Output

```shell

```

### Anything else?

AVIF may be hard to handle due to its compression algorithm, however, this feature will be valuable for everyone.