Fix to only update the user's password if a non-empty password string is provided.
Fix to only update the user's password if a non-empty password string is provided.

snahelou/awx,wwitzel3/awx,wwitzel3/awx,wwitzel3/awx,snahelou/awx,snahelou/awx,snahelou/awx,wwitzel3/awx