FEATURE: Optionally skip the create account popup for external auth

config/locales/server.en.yml

@@ -1624,6 +1624,8 @@ en:
     password_unique_characters: "Minimum number of unique characters that a password must have."
     block_common_passwords: "Don't allow passwords that are in the 10,000 most common passwords."
 
+    external_auth_skip_create_confirm: When signing up via external auth, skip the create account popup. Best used alongside sso_overrides_email, sso_overrides_username and sso_overrides_name.
+
     enable_sso: "Enable single sign on via an external site (WARNING: USERS' EMAIL ADDRESSES *MUST* BE VALIDATED BY THE EXTERNAL SITE!)"
     verbose_sso_logging: "Log verbose SSO related diagnostics to <a href='%{base_path}/logs' target='_blank'>/logs</a>"
     enable_sso_provider: "Implement Discourse SSO provider protocol at the /session/sso_provider endpoint, requires sso_provider_secrets to be set"

config/site_settings.yml

@@ -379,6 +379,9 @@ login:
   discord_trusted_guilds:
     default: ""
     type: list
+  external_auth_skip_create_confirm: 
+    default: false
+    client: true
   enable_sso:
     client: true
     default: false