UI text barely readable in dark mode (Windows)

### Summary

Switching Cryptomator to dark mode turns the UI text barely readable

### 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: Windows 11 Version 25H2 Build 26200.8037
- Cryptomator: 1.19.2

### Volume Type

WinFsp (Local Drive)

### Steps to Reproduce

1. Launch Cryptomator
2. Activate Supporter Certificate
3. Switch to dark mode

### Expected Behavior

Text is readable, just like in the bright mode.


### Actual Behavior

Text is barely readable in dark mode.


### Reproducibility

Always

### Relevant Log Output

```shell

```

### Anything else?

_No response_