[Notifications] Re-evaluate unread count when a notification is "read"
This is when a notification was hovered and thus "acknowledged", which was added after the original `updateCount` implementation. CCBUG: 429862
parent
a2991c64
This is when a notification was hovered and thus "acknowledged", which was added after the original `updateCount` implementation. CCBUG: 429862
mentioned in commit f3904957
·mentioned in commit f3904957