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/napi-macros/example/index.c

@@ -0,0 +1,15 @@
+#include <node_api.h>
+#include <napi-macros.h>
+
+NAPI_METHOD(times_two) {
+  NAPI_ARGV(1)
+  NAPI_ARGV_INT32(number, 0)
+
+  number *= 2;
+
+  NAPI_RETURN_INT32(number)
+}
+
+NAPI_INIT() {
+  NAPI_EXPORT_FUNCTION(times_two)
+}