net: shallow copy option when create Server

PR-URL: #28924
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Masashi Hirano <shisama07@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Сковорода Никита Андреевич <chalkerx@gmail.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>

lib/net.js

@@ -1078,7 +1078,7 @@ function Server(options, connectionListener) {
     options = {};
     this.on('connection', connectionListener);
   } else if (options == null || typeof options === 'object') {
-    options = options || {};
+    options = { ...options };
 
     if (typeof connectionListener === 'function') {
       this.on('connection', connectionListener);