don't deep clone of ddata when making a sandbox since it's slow

lib/client/index.js

@@ -317,15 +317,20 @@ client.init = function init(serverSettings, plugins) {
 
     function updatePlugins (sgvs, time) {
 
-      var ddata = client.ddata.clone();
-      ddata.sgvs = sgvs;  //TODO stop sending split sgvs
-      ddata.inRetroMode = inRetroMode();
-      ddata.profile = profile;
+      //TODO: doing a clone was slow, but ok to let plugins muck with data?
+      //var ddata = client.ddata.clone();
+
+      //TODO: stop sending split/processed sgvs
+      //TODO: this is wiping out the pure data, but same as before
+      client.ddata.sgvs = sgvs;
+
+      client.ddata.inRetroMode = inRetroMode();
+      client.ddata.profile = profile;
 
       client.sbx = sandbox.clientInit(
         client.ctx
         , new Date(time).getTime() //make sure we send a timestamp
-        , ddata
+        , client.ddata
       );
 
       //all enabled plugins get a chance to set properties, even if they aren't shown