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/shared/mixins/keyboardEventListenerMixins.js

@@ -14,7 +14,7 @@ export default {
       this.addEventHandler(keydownHandler);
     }
   },
-  beforeDestroy() {
+  unmounted() {
     if (this.$el && this.$el.dataset?.keydownHandlerIndex) {
       const handlerToRemove =
         taggedHandlers[this.$el.dataset.keydownHandlerIndex];