refreshing disable-interaction layer on resize window, fixing z-index issue of disable internaction

Author: afshinm

intro.js

@@ -429,6 +429,7 @@
     // re-align intros
     _setHelperLayerPosition.call(this, document.querySelector('.introjs-helperLayer'));
     _setHelperLayerPosition.call(this, document.querySelector('.introjs-tooltipReferenceLayer'));
+    _setHelperLayerPosition.call(this, document.querySelector('.introjs-disableInteraction'));
 
     // re-align tooltip
     if(this._currentStep !== undefined && this._currentStep !== null) {

introjs.css

@@ -71,7 +71,7 @@ tr.introjs-showElement > th {
   box-sizing: content-box;
   position: absolute;
   visibility: hidden;
-  z-index: 10000000;
+  z-index: 100000000;
   background-color: transparent;
   -webkit-transition: all 0.3s ease-out;
      -moz-transition: all 0.3s ease-out;