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/Views/RCTViewUtils.m

@@ -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.
+ */
+
+#import "RCTViewUtils.h"
+
+#import "UIView+React.h"
+
+UIEdgeInsets RCTContentInsets(UIView *view)
+{
+  while (view) {
+    UIViewController *controller = view.reactViewController;
+    if (controller) {
+      return controller.view.safeAreaInsets;
+    }
+    view = view.superview;
+  }
+  return UIEdgeInsetsZero;
+}