Goal: E2E test which validates SANs from certificate fails cause PNF simulator doesn't use hostname verification

CoS:

PNF simulator extended by new boolean flag ssl.strictHostnameVerification available in application.properties which controls usage of new SslSupportLevel.CLIENT_CERT_AUTH_STRICT
By default it should be disabled (value=false)
Value should be overridden-able by ENV property: STRICT_HOSTNAME_VERIFICATION
PNF simulator extended by new SslSupportLevel.CLIENT_CERT_AUTH_STRICT which has the same functionality as CLIENT_CERT_AUTH but doesn't use NoopHostnameVerifier
Integration E2E test uncommented, adjusted to enable ENV STRICT_HOSTNAME_VERIFICATION and successful