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/generatePrivateKey.ts

@@ -0,0 +1,16 @@
+import { secp256k1 } from '@noble/curves/secp256k1'
+
+import type { ErrorType } from '../errors/utils.js'
+import type { Hex } from '../types/misc.js'
+import { type ToHexErrorType, toHex } from '../utils/encoding/toHex.js'
+
+export type GeneratePrivateKeyErrorType = ToHexErrorType | ErrorType
+
+/**
+ * @description Generates a random private key.
+ *
+ * @returns A randomly generated private key.
+ */
+export function generatePrivateKey(): Hex {
+  return toHex(secp256k1.utils.randomPrivateKey())
+}