How to add a custom CSS class to core blocks in Gutenberg editor?

I'm trying to add a class to list blocks (core/list) in Gutenberg. Unfortunately, it looks like because some blocks like lists and paragraphs don't have the standard default class name of wp-block-{name} they can't be renamed using the blocks.getBlockDefaultClassName filter. To get around that, I've used the blocks.getSaveContent.extraProps filter, which seems to enable me to add a class to ALL th