_edit is taking a weirdly long time for Issue

(Bug, Closed -> Not a Bug, Priority: High, Test Status: No automated tests yet , Reported By Justin du Coeur, )
Editor
Summary: In the Comics Space, we say _edit on Issue quite often, and it's taking bizarrely long to display -- about three seconds. Why? It isn't an exceptionally complex type. It feels like something about _edit is taking time proportional to the size of the Space.