Registration new user fail if a valid SMTP server is not set

[wlorenzetti]

Checklist

• [x] I've searched through the existing issues and this bug has never been reported before

Subject of the issue

If a valid SMTP server is not set inside the django settings, the registration worklfow fails on saving:

Steps to reproduce

1. Activate G3W-SUITE registration workflow in Django settings
2. Try to sign up new user.

Environment

• g3w-admin: 3.8.dev-20240506075759
• g3w-client: 3.10.0-alpha.2
  • editing: 3.8.0-alpha.1
  • qplotly: undefined
  • qtimeseries: undefined
  • qprocessing: undefined
• browser: Firefox 126.0
• operating system: Linux 64-bit

Link to your project

No response

Additional info

No response