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/hash/isHash.ts

@@ -0,0 +1,10 @@
+import type { ErrorType } from '../../errors/utils.js'
+import type { Hex } from '../../types/misc.js'
+import { type IsHexErrorType, isHex } from '../data/isHex.js'
+import { type SizeErrorType, size } from '../data/size.js'
+
+export type IsHashErrorType = IsHexErrorType | SizeErrorType | ErrorType
+
+export function isHash(hash: string): hash is Hex {
+  return isHex(hash) && size(hash) === 32
+}