WL-3117 Prevent tool breaking when item disappears.

If we initially load an item we shouldn't attempt to load it again. The second load was unnecessary. It maybe that the resource has been removed while we are loading the page, but we should code with that on further requests, rather than here.
Merge pull request #19 from ox-it/WL-3117

WL-3117 Prevent tool breaking when item disappears.