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/chainConfig.ts

@@ -0,0 +1,12 @@
+import { formatters } from './formatters.js'
+import { serializers } from './serializers.js'
+import { getEip712Domain } from './utils/getEip712Domain.js'
+
+export const chainConfig = {
+  blockTime: 1_000,
+  formatters,
+  serializers,
+  custom: {
+    getEip712Domain,
+  },
+} as const