Updated mediawiki/extensions
Project: mediawiki/extensions/Wikibase  fa7869964138584da9ee963073637d59b2ab63c4
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Correctly focus next claim's edit button when removing a claim

The change set solves an error caused when removing a claim not being the last within a claims section.

Change-Id: I3997608159651c4d800f12da797223a82efc7739