OIDC error after 1.6.0 -> 1.6.1 core upgrade

[jakub-tldr]

After upgrading core from 1.6.0 to 1.6.1 user had issue with OIDC:

defguard | 2026-01-28T15:51:42.784815Z ERROR http_request{method=GET path=/api/v1/oauth/authorize?response_type=code&redirect_uri=https%3A%2F%[xxx.xxxx.xxx] (http://xxx.xxxx.xxx/)%2Fauth%2Foidc.callback&scope=openid%20profile%20email&state=xxxxxxxxxxxxxxx&client_id=xxxxxxxxxxxx}: defguard_core::handlers::openid_flow: message=OIDC client id xxxxxxxxxxxxxxxxx not found [1.6.1+d810a59 Debian 13.0.0 x86_64]