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/iotexTestnet.ts

@@ -0,0 +1,30 @@
+import { defineChain } from '../../utils/chain/defineChain.js'
+
+export const iotexTestnet = /*#__PURE__*/ defineChain({
+  id: 4_690,
+  name: 'IoTeX Testnet',
+  nativeCurrency: {
+    decimals: 18,
+    name: 'IoTeX',
+    symbol: 'IOTX',
+  },
+  rpcUrls: {
+    default: {
+      http: ['https://babel-api.testnet.iotex.io'],
+      webSocket: ['wss://babel-api.testnet.iotex.io'],
+    },
+  },
+  blockExplorers: {
+    default: {
+      name: 'IoTeXScan',
+      url: 'https://testnet.iotexscan.io',
+    },
+  },
+  contracts: {
+    multicall3: {
+      address: '0xb5cecD6894c6f473Ec726A176f1512399A2e355d',
+      blockCreated: 24347592,
+    },
+  },
+  testnet: true,
+})