Bulk invitation log message contains raw HTML and is in a code block

[techAPJ (Arpit Jalan)]

@barryvan

the log itself contains HTML to bold the email addresses and provide a link to the user summary page, but this is unparsed and thus not particularly useful, instead just adding noise.

Good point. I sanitized the error log via:

https://github.com/discourse/discourse/commit/94683b33b815607abd39e2542db6c7dcf78e88c8