Fix connection reset by peer when ssl context check_hostname is false and certificate verification is none

[oussamaessaji]

Test case:

• Disabling the hostname check and the certificate verification leads to Errno104:
  
• Enabling the hostname check and the certificate verification makes the ssl wrapped connection work:
  

Conclusion:

The first case that doesn't work may be due to the server's SSL/TLS configuration or the requirements of the server.

[3asm]

As discussed, server_hostname is for SNI and is not related to context check_hostname.