$.wikibase.entitysearch: Set/Update link of "containing" item

By setting/updating the link of the "containing" item, the item becomes clickable with the
middle and right mouse button.

Change-Id: I597e3a36599178f9e25de3c4a703a578eea3b9e8
Fix horrible typo in Wikibase.hooks

Change-Id: Iec4da8d0aefb49f2032947be68f1c23b1425dd32
Merge "Fix horrible typo in Wikibase.hooks"
Merge "$.wikibase.entitysearch: Set/Update link of "containing" item"