Updated mediawiki/extensions
Project: mediawiki/extensions/UniversalLanguageSelector  a7904a6d011a3ab54177238f134880fd46a4149a

Make more tests pass in sandbox.translatewiki.net

* When ULS is in personal, cancel opens the language selector
  again but apply doesn't.
* Created separate steps for testing the ULS trigger in personal
  position, different behavior with different configuration.

Change-Id: Ifb7f101f2bfacd32c11cba69e7f2c01fe9bd9bb7