chore: Adjust Chatwoot Config to deploy frontend as a separate app (#2347)

app/javascript/dashboard/constants.js

@@ -1,8 +1,4 @@
 export default {
-  APP_BASE_URL: '/',
-  get apiURL() {
-    return `${this.APP_BASE_URL}/`;
-  },
   GRAVATAR_URL: 'https://www.gravatar.com/avatar/',
   ASSIGNEE_TYPE: {
     ME: 'me',
@@ -15,3 +11,4 @@ export default {
     BOT: 'bot',
   },
 };
+export const DEFAULT_REDIRECT_URL = '/app/';