Getting Toast notification even though all notification settings are disabled

[AmolGuldagad]

We have turned "off" all the notification from notification settings (generic settings + app specific also), but still we are getting toast notifications. PF screenshot below:

To Reproduce
Steps to reproduce the behavior:

1. Go to 'Notification and actions' settings
2. Turn off "Get notification from app and other senders"
3. Launch application (which shows toast notification)

Expected behavior
Toast notification should not come

Actual behavior
Able to see toast notification

Additional context
Add any other context about the problem here.