Updated mediawiki/extensions
Project: mediawiki/extensions/UploadWizard  c8a7a158ada40d8e7dfc250aedfe8263b2a20d1f

Fix a few remaining things in mw.LanguageUpWiz.js

Followup to Ia684ab3b

Bug: 53245
Change-Id: I40a3357a70fc8466437c77dc35a6aee2ce95403b