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/fast-glob/out/utils/index.d.ts

@@ -0,0 +1,8 @@
+import * as array from './array';
+import * as errno from './errno';
+import * as fs from './fs';
+import * as path from './path';
+import * as pattern from './pattern';
+import * as stream from './stream';
+import * as string from './string';
+export { array, errno, fs, path, pattern, stream, string };