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/scripts/packager.sh

@@ -0,0 +1,19 @@
+#!/bin/bash
+# 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.
+
+# scripts directory
+THIS_DIR=$(cd -P "$(dirname "$(readlink "${BASH_SOURCE[0]}" || echo "${BASH_SOURCE[0]}")")" && pwd)
+REACT_NATIVE_ROOT="$THIS_DIR/.."
+# Application root directory - General use case: react-native is a dependency
+PROJECT_ROOT=${PROJECT_ROOT:-"$THIS_DIR/../../.."}
+
+# check and assign NODE_BINARY env
+# shellcheck disable=SC1090
+source "${THIS_DIR}/node-binary.sh"
+
+# Start packager from PROJECT_ROOT
+cd "$PROJECT_ROOT" || exit
+"$NODE_BINARY" "$REACT_NATIVE_ROOT/cli.js" start --custom-log-reporter-path "$THIS_DIR/packager-reporter.js" "$@"