Updated mediawiki/extensions
Project: mediawiki/extensions/MultimediaViewer  6d301dcd123c3cc0e7c8bc4667d5e3eabf45cd7d

Do not handle clicks if MediaViewer could not be loaded.

mmv.bootstrap will not try again to handle clicks if it failed
for the first time.

Change-Id: Idd55d7dc6c1388070895f8630bdcd51763a94d86
Mingle: https://wikimedia.mingle.thoughtworks.com/projects/multimedia/cards/527
Bug: 63801