Merge pull request #16022 from code-dot-org/droplet_dropdown_this_par…

…ameter

update droplet to commit e388cd8c54501855b40dd4e767e8a0c94789c3b2

apps/lib/droplet/droplet-full.js

@@ -2,7 +2,7 @@
  * Copyright (c) 2017 Anthony Bau.
  * MIT License.
  *
- * Date: 2017-06-19
+ * Date: 2017-06-22
  */
 (function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.droplet = f()}})(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
 
@@ -8251,7 +8251,7 @@ Editor.prototype.getDropdownList = function(socket) {
     result = result.generate;
   }
   if ('function' === typeof result) {
-    result = result();
+    result = result.apply(socket);
   } else {
     result = socket.dropdown;
   }