Fixed resizing in embed-iframe

js/questionset.js

@@ -335,6 +335,8 @@ H5P.QuestionSet = function (options, contentId) {
     if (renderSolutions) {
       showSolutions();
     }
+    
+    this.$.trigger('resize');
     return this;
   };
 
@@ -358,6 +360,7 @@ H5P.QuestionSet = function (options, contentId) {
 
   // Masquerade the main object to hide inner properties and functions.
   var returnObject = {
+    $: $(this),
     attach: attach, // Attach to DOM object
     getQuestions: function () {return questionInstances;},
     getScore: getScore,