"Add a new user" form UI inconsistency

Setup Login as admin Test Go to " Site administration -> Users -> Accounts -> Add a new user" Verify the "Username" field has a red icon indicating it is a required field. Hover over the red icon with the mouse cursor Verify the alt text for the icon is "Required" Fill out all other required fields for the form apart from "Username" and try to submit the form. Verify the form does not submit, the username field has a red border and the username field has the word "Required" after it.