Links in comments break mid-word

Links in issue / MR comments ('notes') have the word-break: break-all property applied, which I assume is to help with really long pasted links with no word boundaries (or soft wrap opportunities). This doesn't look good if you get unlucky on an actual link, though:

(That's this comment, after I resized my browser: https://gitlab.com/gitlab-org/gitlab-ce/issues/3743#note_5062955)

cc @jschatz1 @annabeldunstone

@annabeldunstone I am thinking we should revert this for at least comments.

Milestone changed to 8.8

Reassigned to @annabeldunstone

mentioned in merge request !4042 (merged)

Status changed to closed by merge request !4042 (merged)

mentioned in commit 950ab1e8