Updated mediawiki/extensions
Project: mediawiki/extensions/Wikibase  67f531c67d0cc40d9f6ee110e4b96c0d2239843f

Optimized sticknode mechanisms

$.sticknode now handles local height changes instead of changes in the document height only.
This prevents jitter when fixing a node while the document height does not change along.

Change-Id: I1e9f2cf09c078f85dc037fd10613c44eb899011c