fix(encryption): respect bypassAutoEncryption

B/c we no longer flatten the autoEncryption options (to avoid
a nasty recursive bug when you pass an external keyVault client)
we need to check in the right place for the bypassAutoEncryption
option

lib/core/wireprotocol/command.js

@@ -145,7 +145,9 @@ function supportsOpMsg(topologyOrServer) {
 }
 
 function _cryptCommand(server, ns, cmd, options, callback) {
-  const shouldBypassAutoEncryption = !!server.s.options.bypassAutoEncryption;
+  const shouldBypassAutoEncryption = !!(
+    server.s.options.autoEncryption && server.s.options.autoEncryption.bypassAutoEncryption
+  );
   const autoEncrypter = server.autoEncrypter;
   function commandResponseHandler(err, response) {
     if (err || response == null) {