Updated mediawiki/extensions
Project: mediawiki/extensions/Wikibase  d046395c9f2ad577b4ebba2663fb6d42aeb4f5aa
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(bug 44440) ReferencedEntitiesFinder::findClaimLinks aware about Statements now

ReferencedEntitiesFinder::findClaimLinks now considers Statement's references.
Added simple test for this case.

Change-Id: Ic205d6406ea21fdaa9da60a4487cb0b844f216e8