preserve ssl wrap_bio port state consistently

Author: Copilot

mocket/ssl/context.py

@@ -125,9 +125,10 @@ def wrap_bio(
 
         effective_host = hostname if hostname is not None else current_host
         ssl_obj._host = effective_host
+        if current_port is not None:
+            ssl_obj._port = current_port
         if effective_host is not None and current_port is not None:
             ssl_obj._address = (effective_host, current_port)
-            ssl_obj._port = current_port
         return ssl_obj