Figure conversion darkens figure

[roaldarbol]

Description

Currently, if embedding (large) figures such as PDFs, the conversion step darkens them. It happens for both the web rendering and PDF generation with Typst.

Proposed solution

Find the right settings for imagemagick which handles the conversion.

@rowanc1 previously pointed me to the code which is here:
https://github.com/executablebooks/mystjs/blob/tex/algo/packages/myst-cli/src/utils/imagemagick.ts#L187

convert -density 600 -colorspace RGB ${image} -trim ${png}