Updated mediawiki/extensions
Project: mediawiki/extensions/Math  e7be4f5ba76c70fd4bac3fda726abec7dca1441b

Minor fixes for VE Math code

* Update MWMathInspectorTool for deferMsg refactor
* Update ce.MWMathNode to add primaryCommandName

Change-Id: I344e3ef498c504d07b1f42954ab44b82ed3c0a50