Updated mediawiki/extensions
Project: mediawiki/extensions/Wikibase  f2304fad9a3e25376e3739462ff1785ae3410916

(bug 45159) Separated toolbar for editing a reference's snaks

Instead of having a simulated main snak, a toolbar above a reference's list of snaks
will control starting/stopping edit mode for the reference's snaks.

Change-Id: I3b31dd7e240a779b2a036e43cc568d0ed3709c02