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/assertEip712Request.ts

@@ -0,0 +1,29 @@
+import type { ErrorType } from '../../errors/utils.js'
+import type { ExactPartial } from '../../types/utils.js'
+import {
+  type AssertRequestErrorType,
+  assertRequest,
+} from '../../utils/transaction/assertRequest.js'
+import type { zksync } from '../../zksync/chains.js'
+import type { SendTransactionParameters } from '../actions/sendTransaction.js'
+import {
+  InvalidEip712TransactionError,
+  type InvalidEip712TransactionErrorType,
+} from '../errors/transaction.js'
+import { isEIP712Transaction } from './isEip712Transaction.js'
+
+export type AssertEip712RequestParameters = ExactPartial<
+  SendTransactionParameters<typeof zksync>
+>
+
+/** @internal */
+export type AssertEip712RequestErrorType =
+  | InvalidEip712TransactionErrorType
+  | AssertRequestErrorType
+  | ErrorType
+
+export function assertEip712Request(args: AssertEip712RequestParameters) {
+  if (!isEIP712Transaction(args as any))
+    throw new InvalidEip712TransactionError()
+  assertRequest(args as any)
+}