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/@nodelib/fs.walk/out/index.d.ts

@@ -0,0 +1,14 @@
+/// <reference types="node" />
+import type { Readable } from 'stream';
+import type { Dirent, FileSystemAdapter } from '@nodelib/fs.scandir';
+import { AsyncCallback } from './providers/async';
+import Settings, { DeepFilterFunction, EntryFilterFunction, ErrorFilterFunction, Options } from './settings';
+import type { Entry } from './types';
+declare function walk(directory: string, callback: AsyncCallback): void;
+declare function walk(directory: string, optionsOrSettings: Options | Settings, callback: AsyncCallback): void;
+declare namespace walk {
+    function __promisify__(directory: string, optionsOrSettings?: Options | Settings): Promise<Entry[]>;
+}
+declare function walkSync(directory: string, optionsOrSettings?: Options | Settings): Entry[];
+declare function walkStream(directory: string, optionsOrSettings?: Options | Settings): Readable;
+export { walk, walkSync, walkStream, Settings, AsyncCallback, Dirent, Entry, FileSystemAdapter, Options, DeepFilterFunction, EntryFilterFunction, ErrorFilterFunction };