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/wanchainTestnet.ts

@@ -0,0 +1,25 @@
+import { defineChain } from '../../utils/chain/defineChain.js'
+
+export const wanchainTestnet = /*#__PURE__*/ defineChain({
+  id: 999,
+  name: 'Wanchain Testnet',
+  nativeCurrency: { name: 'WANCHAIN', symbol: 'WANt', decimals: 18 },
+  rpcUrls: {
+    default: {
+      http: ['https://gwan-ssl.wandevs.org:46891'],
+    },
+  },
+  blockExplorers: {
+    default: {
+      name: 'WanScanTest',
+      url: 'https://wanscan.org',
+    },
+  },
+  contracts: {
+    multicall3: {
+      address: '0x11c89bF4496c39FB80535Ffb4c92715839CC5324',
+      blockCreated: 24743448,
+    },
+  },
+  testnet: true,
+})