fix: fix handling of corrupted images

[wa0x6e]

🧿 Current issues / What's wrong ?

Although rare, image processing fail on some corrupted, or badly generated image, making the while workflow crash with a unhandled error.

💊 Fixes / Solution

Fix #152
Fix PINEAPPLE-7

Some devices such as older samsung galaxy are generating "corrupted" images (see lovell/sharp#1578)

By ignoring corruption error, those image can be processed.

In case user upload a genuine corrupted image, it will just output a corrupted image, and will be the user fault.

🚧 Changes

• Refactor to extract the image processing inside utils.ts, for easier testing
• Add tests for the image processing
• Allow corrupted image to be processed

🛠️ Tests

An example of corrupted image is in test/units/providers/fixtures/corrupted.jpeg

Try uploading to pineapple:

before: it fails with an VipsJpeg: Invalid SOS parameters for sequential JPEG error
after: it should work

[codecov]

Codecov Report

Attention: 11 lines in your changes are missing coverage. Please review.

Files	Patch %	Lines
src/upload.ts	0.00%	11 Missing ⚠️

Additional details and impacted files

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