Updated mediawiki/extensions
Project: mediawiki/extensions/MwEmbedSupport  3bc774a6ccb30ac691225b256cc3189ca170bb08

Make play button have higher z-index so its clickable.

If the z-index is < the pop up dialog, button cannot be clicked
which is very confusing to the user.

See also Ibd95d533b9 and bug 60243.

Change-Id: Ifbe20df984efd8323e8736cb03680534500f6841