Redesign and update old notification icons
Motivation and Context
How Has This Been Tested?
Screenshots / GIFs (if appropriate):
Types of changes
Bug fix (non-breaking change which fixes an issue)
New feature (non-breaking change which adds functionality)
Enhancement (non-breaking change which cleans up / improves existing functionality)
Breaking change (fix or feature that would cause existing functionality to change)
I have read the CONTRIBUTING section of the README document.
Fixes: # Mention: #