Fix cursor behavior (#583)

lib/utils/screen-manager.js

@@ -35,7 +35,7 @@ ScreenManager.prototype.render = function (content, bottomContent) {
   // Remove the rl.line from our prompt. We can't rely on the content of
   // rl.line (mainly because of the password prompt), so just rely on it's
   // length.
-  var prompt = promptLine;
+  var prompt = rawPromptLine;
   if (this.rl.line.length) {
     prompt = prompt.slice(0, -this.rl.line.length);
   }