Carousel "dots" show up even if there is only a single Photo in a List

(Bug, Closed -> Fixed, Priority: Critical, Test Status: No automated tests yet , Reported By Bad Link: Thing 3y284oe not found, )
Summary:
As reported by Eric:
Even if there's only a single image uploaded, the photo display shows 2 dots, one filled and one hollow, as if there were 2 things to display.

"Two dots" = there's an overlay on the image, of the sort one usually 
sees when there are multiple images with scrolling between them. And the 
property is a List of Photo, so that's correct... except that only one 
item has been uploaded, but the UI seems to be saying there's two. (But 
the left/right arrows don't change what you're looking at.)
This is almost certainly a side-effect of the way the Photo Carousel works -- it always displays one more "dot" than there are actually photos, presumably to reflect the way it loops. But that's just confusing in the case of a single item. Can we disable that easily in the single-photo case?