Updated mediawiki/extensions
Project: mediawiki/extensions/Wikibase  e7f19eaed2f6ed48309f88407bb197e3df1bd908

Don't assume Snaks have a value in wikibase.ui.scrapeFormattedValues

Change-Id: Ifb6e96f97ad1e3ae461ef2225eb9f431023b0b9e