⚡ Upgrade third party js logic improve load speed.

assets/js/third-party/share/addthis.js

@@ -1,16 +1,16 @@
-document.addEventListener('DOMContentLoaded', () => {
-
+/* AddThis share plugin */
+NexT.plugins.share.addthis = function() {
   const element = '.addthis_inline_share_toolbox';
   if (!NexT.CONFIG.addthis || !NexT.utils.checkDOMExist(element)) return; 
 
   const addthis_js = NexT.CONFIG.addthis.js + '?pubid=' + NexT.CONFIG.addthis.cfg.pubid;
 
-  NexT.utils.loadComments(element).then(() => {
+  NexT.utils.lazyLoadComponent(element, function() {
     NexT.utils.getScript(addthis_js, {
       attributes: {
-        async: true
+        async: false
       },
       parentNode: document.querySelector(element)
     });
   });
-});
+}