Updated mediawiki/extensions
Project: mediawiki/extensions/Wikibase  d1d2c40d52c35229dff44bd8ddf8bd688eb729ca

don't show top dashed border on wikibase-toolbar-wrapper for new statements

doesn't look nice otherwise when clicking "add" on an item with
no statements or to add a new one.

Change-Id: I488d30baac53a8c590b27eb242f08157096c07ca