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/hychainTestnet.ts

@@ -0,0 +1,17 @@
+import { defineChain } from '../../utils/chain/defineChain.js'
+
+export const hychainTestnet = /*#__PURE__*/ defineChain({
+  id: 29112,
+  name: 'HYCHAIN Testnet',
+  nativeCurrency: { name: 'HYTOPIA', symbol: 'TOPIA', decimals: 18 },
+  rpcUrls: {
+    default: { http: ['https://rpc.hychain.com/http'] },
+  },
+  blockExplorers: {
+    default: {
+      name: 'HYCHAIN Explorer',
+      url: 'https://testnet-rpc.hychain.com/http',
+    },
+  },
+  testnet: true,
+})