Updated mediawiki/extensions
Project: mediawiki/extensions/BetaFeatures  faed48177421d1d45e40153173923ad798d718b3

isFeatureEnabled: Return false if the feature is not whitelisted

If a feature was enabled at some point and is later disabled via
not being included in the whitelist, the user preference will still
be set, so the code checking for isFeatureEnabled will return true,
even though it shouldn't be.

Change-Id: I7f02f4926f9b8fc666f0cde500535052a5548040