Updated mediawiki/extensions
Project: mediawiki/extensions/UniversalLanguageSelector  38394339a7ccc1d982114078004f9b4be2adcd0a

Update jquery.uls from upstream

* Improve the scroll to viewport feature
* Fixes Bug 49447

Bug: 49447
Change-Id: Ided6ffdc431ad7278acd501a91cef4a472df1b6f