Sounds like a decent feature request, but GF staff doesnt read this part of the forum. You might want to report this either in “problems and support” or via email to support@glowforge.com, both of which will open a ticket and get looked at.
The currently accepted method for doing what you’re talking about is to import the image into a SVG editor, like inkscape or illustrator, and use a trace function inside that software to prepare the image for forging.
There are a number of discussions on how to do this, I’d suggest hunting around in the forum for topics like “preparing image”.
Discussions like this:
And many more useful topics can be found in the matrix: