Flash alert message if not previously closed.
Flash alert message if not previously closed.

If a user is batch adding users, the alert message
persists unless it is of a different alert type.

This "flashes" (read as: animates opacity from 1
to 0 and back to 1 again) the alert message if it
is open on the user's viewport.

AustinDizzy/davine,AustinDizzy/davine,AustinDizzy/davine