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/metro-cache-key/src/index.d.ts

@@ -0,0 +1,18 @@
+/**
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ * @noformat
+ * @oncall react_native
+ * @generated SignedSource<<48a23e4247062bad5de7d29f42741be4>>
+ *
+ * This file was translated from Flow by scripts/generateTypeScriptDefinitions.js
+ * Original file: packages/metro-cache-key/src/index.js
+ * To regenerate, run:
+ *   js1 build metro-ts-defs (internal) OR
+ *   yarn run build-ts-defs (OSS) 
+ */
+
+export declare function getCacheKey(files: ReadonlyArray<string>): string;

node_modules/metro-cache-key/src/index.js

@@ -0,0 +1,20 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true,
+});
+exports.getCacheKey = getCacheKey;
+var _crypto = _interopRequireDefault(require("crypto"));
+var _fs = _interopRequireDefault(require("fs"));
+function _interopRequireDefault(e) {
+  return e && e.__esModule ? e : { default: e };
+}
+function getCacheKey(files) {
+  return files
+    .reduce(
+      (hash, file) =>
+        hash.update("\0", "utf8").update(_fs.default.readFileSync(file)),
+      _crypto.default.createHash("md5"),
+    )
+    .digest("hex");
+}

node_modules/metro-cache-key/src/index.js.flow

@@ -0,0 +1,22 @@
+/**
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ * @flow strict-local
+ * @format
+ * @oncall react_native
+ */
+
+import crypto from 'crypto';
+import fs from 'fs';
+
+export function getCacheKey(files: ReadonlyArray<string>): string {
+  return files
+    .reduce(
+      (hash, file) => hash.update('\0', 'utf8').update(fs.readFileSync(file)),
+      crypto.createHash('md5'),
+    )
+    .digest('hex');
+}