Drag and drop sprite is not rendered correctly on web

[kkoreilly]

Describe the bug

Because we use raster-based rendering for the drag-and-drop sprite on web, but there are no embedded fonts, the text is not rendered. There are also appear to be other styling issues with background color. We should grab the image directly from the html canvas in grabRenderFrom instead of rendering it using rasterx.

How to reproduce

Go to the tree page on the docs on the web.

Example code

Relevant output

Platform

Web