Updated mediawiki/extensions
Project: mediawiki/extensions/MobileFrontend  1f1054af1ff6285febe8d27b5aa1eb863e1335d6

Regression: fix background glitch in left nav

Introduced in f532ca60e85530456aea9a9c5ddd4d363816a5f1
Without this, when the screen height was greater than left nav's height,
grey background would extend below article's content.

Change-Id: I3b28e823698de078dbf480f11b427976ccc1b446