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/src/index.js.flow

@@ -0,0 +1,54 @@
+/**
+ * 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 Cache from './Cache';
+import stableHash from './stableHash';
+import AutoCleanFileStore from './stores/AutoCleanFileStore';
+import FileStore from './stores/FileStore';
+import HttpGetStore from './stores/HttpGetStore';
+import HttpStore from './stores/HttpStore';
+
+export type {Options as FileOptions} from './stores/FileStore';
+export type {Options as HttpOptions} from './stores/HttpStore';
+export type {CacheStore} from './types';
+
+export {
+  AutoCleanFileStore,
+  Cache,
+  FileStore,
+  HttpGetStore,
+  HttpStore,
+  stableHash,
+};
+
+export interface MetroCache {
+  +AutoCleanFileStore: typeof AutoCleanFileStore;
+  +Cache: typeof Cache;
+  +FileStore: typeof FileStore;
+  +HttpGetStore: typeof HttpGetStore;
+  +HttpStore: typeof HttpStore;
+  +stableHash: typeof stableHash;
+}
+
+/**
+ * Backwards-compatibility with CommonJS consumers using interopRequireDefault.
+ * Do not add to this list.
+ *
+ * @deprecated Default import from 'metro-cache' is deprecated, use named exports.
+ */
+export default {
+  AutoCleanFileStore,
+  Cache,
+  FileStore,
+  HttpGetStore,
+  HttpStore,
+  stableHash,
+} as MetroCache;