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/zksync/utils/parseEip712Transaction.ts

@@ -0,0 +1,57 @@
+import { BaseError } from '../../errors/base.js'
+import type { Hex } from '../../types/misc.js'
+import {
+  fromHex,
+  fromRlp,
+  hexToBigInt,
+  hexToNumber,
+} from '../../utils/index.js'
+import type { ZksyncTransactionSerializableEIP712 } from '../types/transaction.js'
+
+export function parseEip712Transaction(
+  transaction: Hex,
+): ZksyncTransactionSerializableEIP712 {
+  const payload = fromHex(transaction, 'bytes')
+  if (payload[0] !== 113) throw new BaseError('transaction type must be eip712')
+
+  function validHex(value: Hex): Hex {
+    if (!value || value === '0x') return '0x0'
+    return value
+  }
+
+  function parsePaymasterArray(arr: Hex[]) {
+    if (arr.length === 0) return undefined
+    if (arr.length !== 2)
+      throw new BaseError(
+        `Invalid paymaster parameters, expected to have length of 2, found ${arr.length}!`,
+      )
+
+    return {
+      paymaster: arr[0],
+      paymasterInput: arr[1],
+    }
+  }
+
+  const raw = fromRlp(payload.slice(1)) as Hex[]
+  const paymasterParams = parsePaymasterArray(raw[15] as unknown as Hex[])
+  return {
+    type: 'eip712',
+    nonce: hexToNumber(validHex(raw[0])),
+    maxPriorityFeePerGas: hexToBigInt(validHex(raw[1])),
+    maxFeePerGas: hexToBigInt(validHex(raw[2])),
+    gas: hexToBigInt(validHex(raw[3])),
+    to: raw[4],
+    value: hexToBigInt(validHex(raw[5])),
+    data: raw[6],
+    v: hexToBigInt(validHex(raw[7])),
+    r: raw[8],
+    s: raw[9],
+    chainId: hexToNumber(validHex(raw[10])),
+    from: raw[11],
+    gasPerPubdata: hexToBigInt(validHex(raw[12])),
+    factoryDeps: raw[13] as unknown as Hex[],
+    customSignature: raw[14],
+    paymaster: paymasterParams?.paymaster,
+    paymasterInput: paymasterParams?.paymasterInput,
+  }
+}