Fix "Cannot read property 'send' of undefined" when clicking in a tutorial

src/extensions/default/bramble/nohost/HTMLServer.js

@@ -13,8 +13,9 @@ define(function (require, exports, module) {
         CSSRewriter             = brackets.getModule("filesystem/impls/filer/lib/CSSRewriter");
 
     var Compatibility           = require("lib/compatibility"),
-        MouseManager           = require("lib/MouseManager"),
-        LinkManager             = require("lib/LinkManager");
+        MouseManager            = require("lib/MouseManager"),
+        LinkManager             = require("lib/LinkManager"),
+        Tutorial                = require("lib/Tutorial");
 
     var fs = Filer.fs(),
         _shouldUseBlobURL;
@@ -151,7 +152,8 @@ define(function (require, exports, module) {
                 // Since we're not instrumenting this doc fully for some reason,
                 // at least inject the scroll manager so we can track scroll position.
                 body = body.replace(/<\/\s*head>/,
-                    MouseManager.getRemoteScript(path) + LinkManager.getRemoteScript() + "$&");
+                    (Tutorial.getOverride() ? "" : MouseManager.getRemoteScript(path)) +
+                    LinkManager.getRemoteScript() + "$&");
                 serve(body);
             });
         }