Verify raw.raw_pattern as raw.color_desc does not seem enough
As got:
```bash
python3 extract_noise.py
```
```
Denoising images: 0%| | 0/8156 [00:00<?, ?it/s]/mnt/HDD0/raise/nef/ra2c888f8t.NEF
Denoising images: 0%| | 0/8156 [00:00<?, ?it/s]
Traceback (most recent call last):
File "/home/benjamin/robust_image_source_identification_on_modern_smartphones/datasets/raise/extract_noise.py", line 73, in <module>
treatImage(imageFileName)
File "/home/benjamin/robust_image_source_identification_on_modern_smartphones/datasets/raise/extract_noise.py", line 46, in treatImage
assert np.array_equal(raw.raw_pattern, np.array([[3, 2], [0, 1]], dtype = np.uint8))
AssertionError
```
90df8a7cb9