Dark theme not properly supported for export

[sauterl]

Bug report

Codepen

See this codepen to explore it yourself.

Explanation

Basically the title:

When using the dark theme, PNG and SVG exports end up with a mix of dark and light theme, which renders them unusable. As far as I can tell, the main issue is the background being rendered white.

The resulting PNG download:

The screenshot, hence expected behaviour:

This happens for the SVG as well, however, using an SVG editor, one can post-process the font colors there.

[junedchhipa]

I confirm the issue. It will be addressed soon.