Investigate offset output on specific case

Could be the same thing as https://gitlab.com/teklia/workers/microsoft-ocr/-/issues/10

Refs https://gitlab.com/arkindex/requests/-/issues/718

On this comment https://gitlab.com/arkindex/requests/-/issues/718#note_1012365292 you have infos about invalid payload vs valid payloads.

There is a weird vertical offset on some elements being produced by tesseract.