Updated mediawiki/extensions
Project: mediawiki/extensions/MobileFrontend  fb2b9e06266fed1f468a3eb1e6d6b0ce92467967

Tweak: Position fixed elements and open navigation panel

add class position-fixed-element to all fixed position elements
alter positioning when menu opened/closed

Change-Id: I52d4bc965d585442c8fc09b0264667ae0cb88d3a