Fix allauth configuration

src/servala/settings.py

@@ -154,6 +154,11 @@ MESSAGE_TAGS = {
 }
 
 AUTH_USER_MODEL = "core.User"
+ACCOUNT_USER_MODEL_USERNAME_FIELD = None
+ACCOUNT_EMAIL_REQUIRED = True
+ACCOUNT_UNIQUE_EMAIL = True
+ACCOUNT_USERNAME_REQUIRED = False
+ACCOUNT_AUTHENTICATION_METHOD = "email"
 
 AUTHENTICATION_BACKENDS = [
     # Needed to login by username in Django admin, regardless of `allauth`