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/gradle-plugin/settings.gradle.kts

@@ -0,0 +1,25 @@
+/*
+ * 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.
+ */
+
+pluginManagement {
+  repositories {
+    mavenCentral()
+    google()
+    gradlePluginPortal()
+  }
+}
+
+plugins { id("org.gradle.toolchains.foojay-resolver-convention").version("0.5.0") }
+
+include(
+    ":react-native-gradle-plugin",
+    ":settings-plugin",
+    ":shared",
+    ":shared-testutil",
+)
+
+rootProject.name = "gradle-plugin-root"