Updated mediawiki/extensions
Project: mediawiki/extensions/MobileFrontend  0462b8793f3905d642f897df24b707caceccba80

Restrict iOS fixed header code to overlays with fixed headers

This allows pinch zooming in the media viewer overlay
Bug: 69414

Change-Id: Ic89c869daa1d4f2bd3e57da1fc2ba4c9366b9bc1