Updated mediawiki/extensions
Project: mediawiki/extensions/Popups  ae5493626f14d09f9464a5b9f7d014b0b7a994f2

Fix bottom margin issues with portrait images

This was happening due to:
 * Stale CSS selector
 * Incorrect margin values

Also added missing triangle pokey for a particular
orientation of the hovercard.

Bug: 71872
Change-Id: Ic4986f9cee2a92b29548ef21f9bec3f2c2117e98