[MM-52696] Upgrade and clean up Desktop App dev dependencies (#2970)

* Upgrade to ESLint v8

* Upgrade TypeScript, api-types, react-intl

* Remove unnecessary dependencies

* Update to React 17.0.2

* npm audit fixes, remove storybook

* Lock some packages

* Remove nan patch

* Remove some deprecated dependencies

* Fix lint/type/tests

* Merge'd

* Fix bad use of spawn

* Fix notarize

* Fix afterpack, switch to tsc es2020

* Fix api types

* Use @mattermost/eslint-plugin

src/main/app/intercom.ts

@@ -1,21 +1,20 @@
 // Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
 // See LICENSE.txt for license information.
 
-import {app, IpcMainEvent, IpcMainInvokeEvent, Menu} from 'electron';
-
-import {UniqueServer} from 'types/config';
+import type {IpcMainEvent, IpcMainInvokeEvent} from 'electron';
+import {app, Menu} from 'electron';
 
 import ServerViewState from 'app/serverViewState';
-
 import {Logger} from 'common/log';
 import ServerManager from 'common/servers/serverManager';
 import {ping} from 'common/utils/requests';
-
 import NotificationManager from 'main/notifications';
 import {getLocalPreload, getLocalURLString} from 'main/utils';
 import ModalManager from 'main/views/modalManager';
 import MainWindow from 'main/windows/mainWindow';
 
+import type {UniqueServer} from 'types/config';
+
 import {handleAppBeforeQuit} from './app';
 
 const log = new Logger('App.Intercom');