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/utils/siwe/generateSiweNonce.ts

@@ -0,0 +1,15 @@
+import { uid } from '../../utils/uid.js'
+
+/**
+ * @description Generates random EIP-4361 nonce.
+ *
+ * @example
+ * const nonce = generateNonce()
+ *
+ * @see https://eips.ethereum.org/EIPS/eip-4361
+ *
+ * @returns A randomly generated EIP-4361 nonce.
+ */
+export function generateSiweNonce(): string {
+  return uid(96)
+}