src: implement changes suggested by @addaleax

Refs: #40128

PR-URL: #40128
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>

src/crypto/crypto_context.cc

@@ -1114,7 +1114,7 @@ int SecureContext::TicketKeyCallback(SSL* ssl,
     return -1;
   }
 
-  argv[2] = v8::True(env->isolate());
+  argv[2] = enc != 0 ? v8::True(env->isolate()) : v8::False(env->isolate());
 
   Local<Value> ret;
   if (!node::MakeCallback(