feat: Adds async and defer attributes to chatwoot script tag (#2890)

Co-authored-by: Muhsin Keloth <muhsinkeramam@gmail.com>
Co-authored-by: Nithin David Thomas <1277421+nithindavid@users.noreply.github.com>

Gemfile.lock

@@ -630,6 +630,7 @@ GEM
 
 PLATFORMS
   arm64-darwin-20
+  x86_64-darwin-20
   x86_64-darwin-21
   x86_64-linux
 

app/models/channel/web_widget.rb

@@ -59,6 +59,8 @@ class Channel::WebWidget < ApplicationRecord
         var BASE_URL=\"#{ENV.fetch('FRONTEND_URL', '')}\";
         var g=d.createElement(t),s=d.getElementsByTagName(t)[0];
         g.src=BASE_URL+\"/packs/js/sdk.js\";
+        g.defer = true;
+        g.async = true;
         s.parentNode.insertBefore(g,s);
         g.onload=function(){
           window.chatwootSDK.run({

app/views/layouts/vueapp.html.erb

@@ -66,6 +66,8 @@
         var BASE_URL="";
         var g=d.createElement(t),s=d.getElementsByTagName(t)[0];
         g.src=BASE_URL+"/packs/js/sdk.js";
+        g.defer = true;
+        g.async = true;
         s.parentNode.insertBefore(g,s);
         s.async=!0;
         g.onload=function(){

app/views/widget_tests/index.html.erb

@@ -24,6 +24,8 @@ window.chatwootSettings = {
   var BASE_URL = '';
   var g=d.createElement(t),s=d.getElementsByTagName(t)[0];
   g.src= BASE_URL + "/packs/js/sdk.js";
+  g.defer = true;
+  g.async = true;
   s.parentNode.insertBefore(g,s);
   g.onload=function(){
     window.chatwootSDK.run({