feat: IndexedDB based caching for labels, inboxes and teams [CW-50] (#6710)

* feat: allow caching of labels in the account scope

* feat: send cache keys in account json response

* feat: kickstart web worker

* feat: setup basic architecture for workers

* feat: install idb

* feat: add datamanger

* fix: typos

* refactor: rename method

* feat: make init db a manual step

* refactor: separate accountIdFromRoute

* feat: cache enabled API client

* feat: enable caching for inboxes and labels

* feat: enable cache for team

* feat: manage exceptions for team

* feat: add team to data manager

* feat: add a generic listener

* refactor: send only cache keys

* refactor: separate validate method

* feat: add listeners

* feat: add event for revalidate

* feat: add cache keys endpoint

* refactor: fetch cache keys instead of full account data

* fix: key pattern

* feat: don't fetch account for cache_keys

* fix: cache key base class

* refactor: cache keys helper

* feat: add helper

* fix: cache-key update logic

* feat: delete indexeddb on logout

* feat: remove worker.js

* refactor: move data-manager

* refactor: name of file

* feat: add test for DataManager

* refactor: add fake idb to jest setup

* test: cache keys helper

* test: cache keys helper

* test: cache_keys in accounts controller

* refactor: remove cache_keys context

* feat: add policy for cache-keys

app/javascript/dashboard/api/auth.js

@@ -2,7 +2,11 @@
 
 import Cookies from 'js-cookie';
 import endPoints from './endPoints';
-import { setAuthCredentials, clearCookiesOnLogout } from '../store/utils/api';
+import {
+  setAuthCredentials,
+  clearCookiesOnLogout,
+  deleteIndexedDBOnLogout,
+} from '../store/utils/api';
 
 export default {
   login(creds) {
@@ -50,6 +54,7 @@ export default {
       axios
         .delete(urlData.url)
         .then(response => {
+          deleteIndexedDBOnLogout();
           clearCookiesOnLogout();
           resolve(response);
         })