Thanks for the quick hack, Aaron! I came upon a second point that might make life easier for most of the users.
Those that have only editor and not reviewer rights essentially don't need the possibility to comment why they flagged a page as sighted. There shouldn't be much to discuss about this, anyhow and would result in smoother workflow for editors. This is not the case for actual reviews. Therefore, I think that only reviewers should see the comment box. Or, which sounds also nice: nobody sees the comment box at first, but if a reviewer rates an article for more than sighted, a box appears (similar to a delete-action), where he can write a comment. In particular, we could provide reviewers with a larger comment box than now.
Bye,
Philipp