Updated mediawiki/extensions
Project: mediawiki/extensions/MobileFrontend  0bca040e5a06cc03122ded6edfa8004b9e62ccb9

Bug 49557: Fix talk topic add overlay

* Run _super to ensure that parent is opened on a close
* invalidate cache so that when the talk button is clicked on again it
loads the new talk page content
* Hide the button bar when save is clicked to prevent duplicate edits
with the same content

Change-Id: I6775efa41e098c015af30c63c68af8f66f58fc0f