Updated mediawiki/extensions
Project: mediawiki/extensions/Wikibase  4bd7ec4682b778c404f2697e94664b6f930a7636

Optimized edittoolbar retrieving parent widget

Applying same mechanism as done in jquery.ui.widget.js to generate the data attribute name.

Change-Id: If02665464effd0c8ee553496013f261b7f7d3493