'fp on autoflagged post' message fails to escape post title with square brackets

[CoconutMacaroon]

What problem has occurred? What issues has it caused?

In this CHQ message, SmokeDetector logged an autoflagged FP. Unfortunately, the post title contained square brackets (which in Markdown, signify a hyperlink).

Consequently, it is rendered like this:

What would you like to happen/not happen?

Metasmoke should correctly escape the markdown, as SmokeDetector did in the chat report for that answer..