New print definition are really bad.

[aloisdg]

Expected behavior
We should come back to the version without any quality loss.

Screenshots
Previous version from 1/11/2020

Current version from 17/11/2020

The image displayed in the browser looks fine:

The quality loss is during the construction of the pdf.

[aloisdg]

Funny things. We know exactly when the bug appeared:

[aloisdg]

I made a quick fix with a magic number. We have to dig deeper though.

[aloisdg]

Useful link for the conversion px to mm:
https://stackoverflow.com/questions/15615552/get-div-height-with-plain-javascript
https://stackoverflow.com/questions/7650413/pixel-to-mm-equation