Refactor join, alias services

Split knock, user register from api into services

Fix autojoin not working with v12 rooms

Fix 'm.login.registration_token/validity' for reloaded registration tokens

Change join servers order

Move autojoin for ldap

src/api/client/mod.rs

@@ -88,9 +88,6 @@ pub(super) use user_directory::*;
 pub(super) use voip::*;
 pub(super) use well_known::*;
 
-/// generated device ID length
-const DEVICE_ID_LENGTH: usize = 10;
-
 /// generated user access token length
 const TOKEN_LENGTH: usize = tuwunel_service::users::device::TOKEN_LENGTH;