This feature team has been aware of this request, and it is under review.
An error occurred while saving the commentShveta Jindal commented
The message preview should not show up; even the first message from anyone. It should get minimized to the task bar, so we know there is a new message and on clicking the "flashing" icon in the task bar, one can check the message.
While collaborating (screen sharing or when someone is looking into your screen) these pop-ups can be distressing.