fixup! tls: account for buffered data before creating TLSSocket wrap

Author: addaleax

lib/_tls_wrap.js

@@ -481,8 +481,9 @@ function TLSSocket(socket, opts) {
   let wrap;
   // Ideally, the readableLength check would not be necessary, and we would
   // have a way to handle the buffered data at the C++ StreamBase level.
-  if (((socket instanceof net.Socket && socket._handle) || !socket) &&
-      socket.readableLength === 0) {
+  if ((socket instanceof net.Socket &&
+       socket._handle &&
+       socket.readableLength === 0) || !socket) {
     // 1. connected socket
     // 2. no socket, one will be created with net.Socket().connect
     wrap = socket;