Updated mediawiki/extensions
Project: mediawiki/extensions/MultimediaViewer  99367524f2816ab6543d133eea1e44cdbee8065a

Add shadow when scrolling panel

When the panel is scrolling a shadow is added to better communicate that
the panel moves over the image.
More details: https://wikimedia.mingle.thoughtworks.com/projects/multimedia/cards/193

Change-Id: I06866a3a034977002b98658a3d09b5421b583ee7