./discourse-setup puts SMTP username at start of SMTP password

I can’t replicate it. What OS are you using?

root@bro:/var/discourse# ./discourse-setup --skip-connection-test --skip-rebuild
skipping connection test
'samples/standalone.yml' -> 'containers/app.yml'
Found 29GB of memory and 32 physical CPU cores
setting db_shared_buffers = 4096MB
setting UNICORN_WORKERS = 8
containers/app.yml memory parameters updated.

Hostname for your Discourse? [discourse.example.com]: forum.phsics.site

Setting EC to 2
Skipping port check.
Email address for admin account(s)? [me@example.com,you@example.com]: jay@literatecomputing.com
SMTP server address? [smtp.example.com]: smtp-relay.brevo.com
SMTP port? [587]: 2525
SMTP user name? [user@example.com]: 83fca0012@smtp-brevo.com
SMTP password? []: 5AHQXrf4LDUmRB1J
notification email address? [noreply@forum.phsics.site]:
Optional email address for Let's Encrypt warnings? (ENTER to skip) [me@example.com]:
Optional MaxMind Account ID (ENTER to continue without MAXMIND GeoLite2 geolocation database) [123456]:

Does this look right?

Hostname          : forum.phsics.site
Email             : jay@literatecomputing.com
SMTP address      : smtp-relay.brevo.com
SMTP port         : 2525
SMTP username     : 83fca0012@smtp-brevo.com
SMTP password     : 5AHQXrf4LDUmRB1J
Notification email: noreply@forum.phsics.site
MaxMind account ID: (unset)
MaxMind license key: (unset)

ENTER to continue, 'n' to try again, Ctrl+C to exit:
letsencrypt.ssl.template.yml enabled


Configuration file at containers/app.yml updated successfully!

Updates successful. --skip-rebuild requested. Exiting.
root@bro:/var/discourse# grep SMTP containers/app.yml
  ## TODO: The SMTP mail server used to validate new accounts and send notifications
  # SMTP ADDRESS is required
  # WARNING: SMTP password should be wrapped in quotes to avoid problems
  DISCOURSE_SMTP_ADDRESS: smtp-relay.brevo.com
  DISCOURSE_SMTP_PORT: 2525
  DISCOURSE_SMTP_USER_NAME: 83fca0012@smtp-brevo.com
  DISCOURSE_SMTP_PASSWORD: "5AHQXrf4LDUmRB1J"
  #DISCOURSE_SMTP_ENABLE_START_TLS: true           # (optional, default: true)
  DISCOURSE_SMTP_DOMAIN: discourse.example.com # (required by some providers)
  #DISCOURSE_SMTP_OPENSSL_VERIFY_MODE: peer        # (optional, default: peer, valid values: none, peer, client_once, fail_if_no_peer_cert)
  #DISCOURSE_SMTP_AUTHENTICATION: plain            # (default: plain, valid values: plain, login, cram_md5)