Updated mediawiki/extensions
Project: mediawiki/extensions/MobileFrontend  e52ac22f40d73a9a01bbdee385fe5bbd1ea278a5

Fix fixed header and keyboard behavior in VE on iOS Safari

Fixes two bugs:
* header not positioned correctly in the summary screen (after hitting
  Next)
* keyboard not closing when exiting VE without making any changes

Change-Id: Id2edadf190f22ac689e02d19f14ab2408a07bc4e