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/readers/stream.d.ts

@@ -0,0 +1,14 @@
+/// <reference types="node" />
+import { Readable } from 'stream';
+import * as fsStat from '@nodelib/fs.stat';
+import * as fsWalk from '@nodelib/fs.walk';
+import { Pattern, ReaderOptions } from '../types';
+import Reader from './reader';
+export default class ReaderStream extends Reader<Readable> {
+    protected _walkStream: typeof fsWalk.walkStream;
+    protected _stat: typeof fsStat.stat;
+    dynamic(root: string, options: ReaderOptions): Readable;
+    static(patterns: Pattern[], options: ReaderOptions): Readable;
+    private _getEntry;
+    private _getStat;
+}