Change panel icon until notifications are dismissed.

Submitted by Cees Timmerman

Assigned to Simon Steinbeiß @ochosi

Link to original bug (#16273)

Description

Windows 10 and Gnome3's notification icon show the number of messages and clicking a message opens the app it's from. Very useful for Whatsdesk etc. It would be nice if it would at least change the indicator app icon when a notification went unnoticed.