Updated mediawiki/extensions
Project: mediawiki/extensions/MediaWikiChat  54bbeae7d44bc7a0608f76e7d709cb6214e1c0d5

Fix messages not scrolling sometimes

The chat was not scrolling to the bottom when recieving user join or leave
messages, or user kick, block, or unblock messages

Change-Id: I938672fc9f531d5ece6bdd3116aa3ea0508f01b7