This… might not be quite possible. Those little snippets are aggressively truncated. I doubt we’re parsing HTML there and if we parsed the Markdown we’d need to deal with truncating in the middle of HTML tags. We do this on the web in a few places but… it’s not pleasant.
Formatting buttons should now be available on Identify (thanks to a volunteer!). The same person has a pull request open for inline editing of comments and IDs with the text editor, just needs a little more work before merging.