Bugfix for custom user model
Bugfix for custom user model

When the AUTH_USER_MODEL class has not a username field it was impossible to reset passwords

suutari/shoop,shoopio/shoop,suutari-ai/shoop,suutari/shoop,shoopio/shoop,suutari-ai/shoop,suutari-ai/shoop,shoopio/shoop,suutari/shoop