feat: add subscription manager to handle subscription sharing (#1517)

* feat: add subscription manager to handle subscription sharing

* fix(services): add missing methods to the interface

* fix(services): add subscription manager specs

* feat(snjs): add subscriptions e2e tests

* fix(snjs): add wait in subscription cancelling test

* fix(snjs): checking for canceled invitations in tests

* fix(snjs): add e2e test for restored limit of subscription invitations

* chore(lint): fix linter issues

packages/snjs/lib/Application/Application.spec.ts

@@ -1,13 +1,7 @@
 import { SNLog } from './../Log'
 import { PureCryptoInterface } from '@standardnotes/sncrypto-common'
-import {
-  AlertService,
-  DeviceInterface,
-  Environment,
-  namespacedKey,
-  Platform,
-  RawStorageKey,
-} from '@standardnotes/services'
+import { AlertService, DeviceInterface, namespacedKey, RawStorageKey } from '@standardnotes/services'
+import { Environment, Platform } from '@standardnotes/models'
 import { SNApplication } from './Application'
 
 describe('application', () => {