mw.echo.overlay.updateCount() no longer exists
mw.echo.overlay.updateCount() no longer exists

If you have an unread notifications not in the initial
load of special page, clicking load more would throw
an error

Bug: 69714
Change-Id: I9af588780b2ab8481ba252ddc21bad0601de7a0b

wikimedia/mediawiki-extensions-Echo,wikimedia/mediawiki-extensions-Echo,wikimedia/mediawiki-extensions-Echo,wikimedia/mediawiki-extensions-Echo