feat: Use vue-router on widget route management (#3415)

* feat: Add vue-router to widget

Co-authored-by: Pranav <pranav@chatwoot.com>

* Move to dynamic imports

* Move to routerMixin

* Fix popup button display

* Remove unnecessary import

* router -> route

* Fix open state

* Fix issues

* Remove used CSS

* Fix specs

* Fix specs

* Fix widgetColor specs

* Fix mutation specs

* Fixes broken lint errors

* Fixes issues with widget flow

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

app/javascript/packs/widget.js

@@ -7,6 +7,7 @@ import ActionCableConnector from '../widget/helpers/actionCable';
 import { getAlertAudio } from 'shared/helpers/AudioNotificationHelper';
 import i18n from '../widget/i18n';
 
+import router from '../widget/router';
 Vue.use(VueI18n);
 Vue.use(Vuelidate);
 
@@ -22,6 +23,7 @@ Vue.config.productionTip = false;
 
 window.onload = () => {
   window.WOOT_WIDGET = new Vue({
+    router,
     store,
     i18n: i18nConfig,
     render: h => h(App),