When creating a user through the registration form, build a user name from the first name and last name if the field was empty
When creating a user through the registration form, build a user name
from the first name and last name if the field was empty

Letractively/ada-awa,tectronics/ada-awa,Letractively/ada-awa,tectronics/ada-awa,Letractively/ada-awa,tectronics/ada-awa