Updated mediawiki/extensions
Project: mediawiki/extensions/MobileFrontend  3b6c111da85ef3c4b6acca1db7a75d997de946d8

Fix overlay header shifting on iOS in VE

Calculate header position in JS when virtual keyboard is open. Hide
header when scrolling starts and show it when it ends (unfortunately
mobile Safari sends scroll events only when scrolling finishes).

Bug: 61240
Change-Id: Id9c56586bb27d2798e35e76614423d103a775d3c