fix(HH-576): normalize realtime message timestamps (#148)

Co-authored-by: Rogee <rogee@ipao.vip>

frontend/app/javascript/widget/store/modules/conversation/actions.js

@@ -13,6 +13,7 @@ import {
 import { ON_CONVERSATION_CREATED } from 'widget/constants/widgetBusEvents';
 import { createTemporaryMessage, getNonDeletedMessages } from './helpers';
 import { emitter } from 'shared/helpers/mitt';
+import { isNewerTimestamp } from 'shared/helpers/timeHelper';
 export const actions = {
   createConversation: async ({ commit, dispatch }, params) => {
     commit('setConversationUIFlag', { isCreating: true });
@@ -178,9 +179,8 @@ export const actions = {
     const currentMessage = state?.conversations?.[id];
     const isNew = !currentMessage;
     if (
-      currentMessage?.updated_at &&
-      data.updated_at &&
-      data.updated_at <= currentMessage.updated_at
+      currentMessage &&
+      !isNewerTimestamp(currentMessage.updated_at, data.updated_at)
     ) {
       return { applied: false, isNew };
     }