(bug 46229) show edit link if an item is connected to a client page

If there is only one site link in the item, the edit link should
still appear on that linked wikipedia (client) page so that it is
easier to add more site links, and know if the page is connected or not.

Change-Id: I073a784552954c4b3a52291ecb46d126ef870025
Merge "(bug 46229) show edit link if an item is connected to a client page"