Unable to upload file with the same name

### Please agree to the following

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

### Summary

Unable to upload file with the same name

### System Setup

```markdown
- Android: 10
- Cryptomator: 1.8.0-beta1
```

### Cloud Type

_No response_

### Steps to Reproduce

1. Upload the first file (ex. 'document_1.pdf')
2. Upload another file with the same name in the directory which contains the first file
which

### Expected Behavior

Any of these conflict-resolving options:
1. Autorename
2. Change name during upload

Also, show a message if the file is the same or not (by size or hash).

### Actual Behavior

Current options are limited to "Cancel" and "Overwrite"

### Reproducibility

Always

### Relevant Log Output

_No response_

### Anything else?

_No response_