Updated mediawiki/extensions
Project: mediawiki/extensions/BetaFeatures  70ad5f981db05c0115be27c9a1869c515a490104

Fix the convenience function

It was checking against beta-features-*, which Ed removed, and it was
also strict-checking against 1, instead of
HTMLFeatureField::OPTION_ENABLED as in the latest patches.

Change-Id: I17dd2c1b136203e9236923bcfd9a17ecd4eef872