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/address/isAddress.ts

@@ -0,0 +1,39 @@
+import type { Address } from 'abitype'
+import type { ErrorType } from '../../errors/utils.js'
+import { LruMap } from '../lru.js'
+import { checksumAddress } from './getAddress.js'
+
+const addressRegex = /^0x[a-fA-F0-9]{40}$/
+
+/** @internal */
+export const isAddressCache = /*#__PURE__*/ new LruMap<boolean>(8192)
+
+export type IsAddressOptions = {
+  /**
+   * Enables strict mode. Whether or not to compare the address against its checksum.
+   *
+   * @default true
+   */
+  strict?: boolean | undefined
+}
+
+export type IsAddressErrorType = ErrorType
+
+export function isAddress(
+  address: string,
+  options?: IsAddressOptions | undefined,
+): address is Address {
+  const { strict = true } = options ?? {}
+  const cacheKey = `${address}.${strict}`
+
+  if (isAddressCache.has(cacheKey)) return isAddressCache.get(cacheKey)!
+
+  const result = (() => {
+    if (!addressRegex.test(address)) return false
+    if (address.toLowerCase() === address) return true
+    if (strict) return checksumAddress(address as Address) === address
+    return true
+  })()
+  isAddressCache.set(cacheKey, result)
+  return result
+}