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/CxxModule/RCTCxxUtils.mm

@@ -0,0 +1,97 @@
+/*
+ * 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 "RCTCxxUtils.h"
+
+#import <React/RCTModuleData.h>
+#import <React/RCTUtils.h>
+#import <cxxreact/CxxNativeModule.h>
+#import <jsi/jsi.h>
+
+#import "DispatchMessageQueueThread.h"
+#import "RCTNativeModule.h"
+
+namespace facebook::react {
+
+using facebook::jsi::JSError;
+
+#ifndef RCT_REMOVE_LEGACY_ARCH
+
+std::vector<std::unique_ptr<NativeModule>>
+createNativeModules(NSArray<RCTModuleData *> *modules, RCTBridge *bridge, const std::shared_ptr<Instance> &instance)
+{
+  std::vector<std::unique_ptr<NativeModule>> nativeModules;
+  for (RCTModuleData *moduleData in modules) {
+    nativeModules.emplace_back(std::make_unique<RCTNativeModule>(bridge, moduleData));
+  }
+  return nativeModules;
+}
+
+#endif // RCT_REMOVE_LEGACY_ARCH
+
+static NSError *errorWithException(const std::exception &e)
+{
+  NSString *msg = @(e.what());
+  NSMutableDictionary *errorInfo = [NSMutableDictionary dictionary];
+
+  const auto *jsError = dynamic_cast<const JSError *>(&e);
+  if (jsError) {
+    errorInfo[RCTJSRawStackTraceKey] = @(jsError->getStack().c_str());
+    msg = [@"Unhandled JS Exception: " stringByAppendingString:msg];
+  }
+
+  NSError *nestedError;
+  try {
+    std::rethrow_if_nested(e);
+  } catch (const std::exception &e) {
+    nestedError = errorWithException(e);
+  } catch (...) {
+  }
+
+  if (nestedError) {
+    msg = [NSString stringWithFormat:@"%@\n\n%@", msg, [nestedError localizedDescription]];
+  }
+
+  errorInfo[NSLocalizedDescriptionKey] = msg;
+  return [NSError errorWithDomain:RCTErrorDomain code:1 userInfo:errorInfo];
+}
+
+NSError *tryAndReturnError(const std::function<void()> &func)
+{
+  try {
+    @try {
+      func();
+      return nil;
+    } @catch (NSException *exception) {
+      return RCTErrorWithNSException(exception);
+    } @catch (id) {
+      // This will catch any other ObjC exception, but no C++ exceptions
+      return RCTErrorWithMessage(@"non-std ObjC Exception");
+    }
+  } catch (const std::exception &ex) {
+    return errorWithException(ex);
+  } catch (...) {
+    // On a 64-bit platform, this would catch ObjC exceptions, too, but not on
+    // 32-bit platforms, so we catch those with id exceptions above.
+    return RCTErrorWithMessage(@"non-std C++ exception");
+  }
+}
+
+NSString *deriveSourceURL(NSURL *url)
+{
+  NSString *sourceUrl;
+  if (url.isFileURL) {
+    // Url will contain only path to resource (i.g. file:// will be removed)
+    sourceUrl = url.path;
+  } else {
+    // Url will include protocol (e.g. http://)
+    sourceUrl = url.absoluteString;
+  }
+  return sourceUrl ?: @"";
+}
+
+} // namespace facebook::react