Configuring Red Hat Capsule 6.x with custom SSL certs fails with `Unable to detect features ([RestClient::SSLCertificateNotVerified]: SSL_connect returned=1 errno=0 state=error: certificate verify failed (Hostname mismatch)) for Capsule xxxxxxxx`

Issue

Running the following command on Capsule server:

satellite-installer --scenario capsule --certs-tar-file "/root/capsule.example.com.tar" 
--foreman-proxy-register-in-foreman           "true" 
--foreman-proxy-foreman-base-url              "https://satellite.example.com" 
--foreman-proxy-trusted-hosts                 "satellite.example.com" 
--foreman-proxy-trusted-hosts                 "capsule.example.com" 
--foreman-proxy-oauth-consumer-key            "xxxxxx" 
--foreman-proxy-oauth-consumer-secret         "xxxxxx"

it fails with the following error message:

2023-12-04 15:18:19 [ERROR ] [configure] Error making POST request to Foreman at https://satellite.example.com/api/v2/smart_proxies: Unable to communicate with the Capsule: ERF12-2530 [ProxyAPI::ProxyException]: Unable to detect features ([RestClient::SSLCertificateNotVerified]: SSL_connect returned=1 errno=0 state=error: certificate verify failed (Hostname mismatch)) for Capsule https://capsule.example.com:9090/v2/features Please check the Capsule is configured and running on the host.

2023-12-04 15:18:19 [ERROR ] [configure] /Stage[main]/Foreman_proxy::Register/Foreman_smartproxy[capsule.example.com]/ensure: change from 'absent' to 'present' failed: Error making POST request to Foreman at https://satellite.example.com/api/v2/smart_proxies: Unable to communicate with the Capsule: ERF12-2530 [ProxyAPI::ProxyException]: Unable to detect features ([RestClient::SSLCertificateNotVerified]: SSL_connect returned=1 errno=0 state=error: certificate verify failed (Hostname mismatch)) for Capsule https://capsule.example.com:9090/v2/features Please check the Capsule is configured and running on the host.