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/viem/accounts/utils/signMessage.ts

@@ -0,0 +1,35 @@
+import type { ErrorType } from '../../errors/utils.js'
+import type { Hex, SignableMessage } from '../../types/misc.js'
+import {
+  type HashMessageErrorType,
+  hashMessage,
+} from '../../utils/signature/hashMessage.js'
+
+import { type SignErrorType, sign } from './sign.js'
+
+export type SignMessageParameters = {
+  /** The message to sign. */
+  message: SignableMessage
+  /** The private key to sign with. */
+  privateKey: Hex
+}
+
+export type SignMessageReturnType = Hex
+
+export type SignMessageErrorType =
+  | SignErrorType
+  | HashMessageErrorType
+  | ErrorType
+
+/**
+ * @description Calculates an Ethereum-specific signature in [EIP-191 format](https://eips.ethereum.org/EIPS/eip-191):
+ * `keccak256("\x19Ethereum Signed Message:\n" + len(message) + message))`.
+ *
+ * @returns The signature.
+ */
+export async function signMessage({
+  message,
+  privateKey,
+}: SignMessageParameters): Promise<SignMessageReturnType> {
+  return await sign({ hash: hashMessage(message), privateKey, to: 'hex' })
+}