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/react-native/React/Fabric/AppleEventBeat.cpp

@@ -0,0 +1,31 @@
+/*
+ * 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.
+ */
+
+#include "AppleEventBeat.h"
+
+#include <react/debug/react_native_assert.h>
+
+namespace facebook::react {
+
+AppleEventBeat::AppleEventBeat(
+    std::shared_ptr<OwnerBox> ownerBox,
+    std::unique_ptr<const RunLoopObserver> uiRunLoopObserver,
+    RuntimeScheduler& runtimeScheduler)
+    : EventBeat(std::move(ownerBox), runtimeScheduler),
+      uiRunLoopObserver_(std::move(uiRunLoopObserver)) {
+  uiRunLoopObserver_->setDelegate(this);
+  uiRunLoopObserver_->enable();
+}
+
+void AppleEventBeat::activityDidChange(
+    const RunLoopObserver::Delegate* delegate,
+    RunLoopObserver::Activity /*activity*/) const noexcept {
+  react_native_assert(delegate == this);
+  induce();
+}
+
+} // namespace facebook::react