feat: Vite + vue 3 💚 (#10047)

Fixes https://github.com/chatwoot/chatwoot/issues/8436
Fixes https://github.com/chatwoot/chatwoot/issues/9767
Fixes https://github.com/chatwoot/chatwoot/issues/10156
Fixes https://github.com/chatwoot/chatwoot/issues/6031
Fixes https://github.com/chatwoot/chatwoot/issues/5696
Fixes https://github.com/chatwoot/chatwoot/issues/9250
Fixes https://github.com/chatwoot/chatwoot/issues/9762

---------

Co-authored-by: Pranav <pranavrajs@gmail.com>
Co-authored-by: Sivin Varghese <64252451+iamsivin@users.noreply.github.com>

app/javascript/widget/router.js

@@ -1,11 +1,8 @@
-import Vue from 'vue';
-import Router from 'vue-router';
+import { createRouter, createWebHashHistory } from 'vue-router';
 import ViewWithHeader from './components/layouts/ViewWithHeader.vue';
 
-Vue.use(Router);
-
-export default new Router({
-  mode: 'hash',
+export default createRouter({
+  history: createWebHashHistory(),
   routes: [
     {
       path: '/unread-messages',