Add a different sound notification when someone ping you.

Normally, when someone message you (when your status is Green) it makes a sound, but when you are in 'Do not Disturb' no notification and no notification sound comes. But now if you add this feature, 

When you are in 'Do not disturb', someone pings you, the notification doesn't come, but the sound of the notification will be different. Same happen to when you are in 'Online', if someone send a message, normal notification plus normal sound, but if someone pinged you, then notification plus different sound.

Thanks for reading