FRE-600: Fix code review blockers

- Consolidated duplicate UndoManagers to single instance
- Fixed connection promise to only resolve on 'connected' status
- Fixed WebSocketProvider import (WebsocketProvider)
- Added proper doc.destroy() cleanup
- Renamed isPresenceInitialized property to avoid conflict

Co-Authored-By: Paperclip <noreply@paperclip.ing>

node_modules/vitest/dist/cli.js

@@ -0,0 +1,9 @@
+import { c as createCLI } from './vendor/cac.cdAtVkJZ.js';
+import 'pathe';
+import 'events';
+import 'picocolors';
+import './vendor/base.5NT-gWu5.js';
+import '@vitest/utils';
+import './vendor/constants.5J7I254_.js';
+
+createCLI().parse();