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/chains/definitions/zksyncLocalHyperchain.ts

@@ -0,0 +1,25 @@
+import { defineChain } from '../../utils/chain/defineChain.js'
+import { chainConfig } from '../../zksync/chainConfig.js'
+
+// The local hyperchain setup: https://github.com/matter-labs/local-setup/blob/main/zk-chains-docker-compose.yml
+
+export const zksyncLocalHyperchain = /*#__PURE__*/ defineChain({
+  ...chainConfig,
+  id: 270,
+  name: 'ZKsync CLI Local Hyperchain',
+  nativeCurrency: { name: 'Ether', symbol: 'ETH', decimals: 18 },
+  rpcUrls: {
+    default: {
+      http: ['http://localhost:15100'],
+      webSocket: ['ws://localhost:15101'],
+    },
+  },
+  blockExplorers: {
+    default: {
+      name: 'ZKsync explorer',
+      url: 'http://localhost:15005/',
+      apiUrl: 'http://localhost:15005/api',
+    },
+  },
+  testnet: true,
+})