Docling extracts no text from PDF

### Bug
Docling outputs no text for the provided PDF

### Steps to reproduce
Run basic docling convert example to convert the provided PDF to markdown

### Docling version
```
Docling version: 2.43.0
Docling Core version: 2.44.1
Docling IBM Models version: 3.9.0
Docling Parse version: 4.1.0
Python: cpython-312 (3.12.8)
Platform: macOS-15.5-arm64-arm-64bit
```

### Python version
```
Python 3.12.8
```

### Additional notes
I tested a few different options using the `docling-serve` UI with the same result. I did not test it with smol-docling because my use case requires the regular pipeline.

[test.pdf](https://github.com/user-attachments/files/21509651/test.pdf)