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/ens/packetToBytes.ts

@@ -0,0 +1,53 @@
+// Adapted from https://github.com/mafintosh/dns-packet
+import type { ErrorType } from '../../errors/utils.js'
+import type { ByteArray } from '../../types/misc.js'
+import {
+  type StringToBytesErrorType,
+  stringToBytes,
+} from '../encoding/toBytes.js'
+import {
+  type EncodeLabelhashErrorType,
+  encodeLabelhash,
+} from './encodeLabelhash.js'
+import { type LabelhashErrorType, labelhash } from './labelhash.js'
+
+export type PacketToBytesErrorType =
+  | EncodeLabelhashErrorType
+  | LabelhashErrorType
+  | StringToBytesErrorType
+  | ErrorType
+
+/*
+ * @description Encodes a DNS packet into a ByteArray containing a UDP payload.
+ *
+ * @example
+ * packetToBytes('awkweb.eth')
+ * '0x0661776b7765620365746800'
+ *
+ * @see https://docs.ens.domains/resolution/names#dns
+ *
+ */
+export function packetToBytes(packet: string): ByteArray {
+  // strip leading and trailing `.`
+  const value = packet.replace(/^\.|\.$/gm, '')
+  if (value.length === 0) return new Uint8Array(1)
+
+  const bytes = new Uint8Array(stringToBytes(value).byteLength + 2)
+
+  let offset = 0
+  const list = value.split('.')
+  for (let i = 0; i < list.length; i++) {
+    let encoded = stringToBytes(list[i])
+    // if the length is > 255, make the encoded label value a labelhash
+    // this is compatible with the universal resolver
+    if (encoded.byteLength > 255)
+      encoded = stringToBytes(encodeLabelhash(labelhash(list[i])))
+    bytes[offset] = encoded.length
+    bytes.set(encoded, offset + 1)
+    offset += encoded.length + 1
+  }
+
+  if (bytes.byteLength !== offset + 1) return bytes.slice(0, offset + 1)
+
+  return bytes
+}