Updated mediawiki/extensions
Project: mediawiki/extensions/MobileFrontend  282d6496c4552277519c0d29c2ff5325d0aa5849

Only collapse sections on wikitext pages

Doesn't make much sense for e.g. CSS pages. Flow is also moving in the direction
of its own content model.

Bug: 67085
Change-Id: I509f7dac52b7837bf8b07a790c87f83208568e70