fix: Adds domain option to user cookies set by SDK [CW-352] (#7070)

* fix: Adds domain option to user cookies set by SDK

* Adds domain to init event from chatwootSettings variable

* Testing multiple domains on heroku

* Updates with sdk from staging

* Removes sdk init code

* Testing why cookie is not getting set

* Cleans up testing code

* Refactors code to fix codeclimate issues

* Update app/javascript/sdk/cookieHelpers.js

Co-authored-by: Shivam Mishra <scm.mymail@gmail.com>

* Adds test cases for setCookieWithDomain

---------

Co-authored-by: Muhsin Keloth <muhsinkeramam@gmail.com>
Co-authored-by: Shivam Mishra <scm.mymail@gmail.com>

app/views/widget_tests/index.html.erb

@@ -14,6 +14,7 @@
 
 window.chatwootSettings = {
   hideMessageBubble: false,
+  // baseDomain: '.loca.lt',
   position: '<%= @widget_position %>',
   locale: 'en',
   useBrowserLanguage: true,