I have the following stacks:
client-a-test-area client-a-test-area-eu-west-2-app-1 client-a-test-area-eu-west-2-app-2,client-a-test-area-eu-west-2, client-a-test
setting sort=name & sortDirection=ASC results in
client-a-test
client-a-test-area-eu-west-2
client-a-test-area-eu-west-2-app-1
client-a-test-area-eu-west-2-app-2
client-a-test-area
setting sort=name & sortDirection=DESC results in
client-a-test-area
client-a-test-area-eu-west-2-app-1
client-a-test-area-eu-west-2-app-2
client-a-test-area-eu-west-2
client-a-test
As can been seen neither of these sort orders are correct