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/ultron.ts

@@ -0,0 +1,19 @@
+import { defineChain } from '../../utils/chain/defineChain.js'
+
+export const ultron = /*#__PURE__*/ defineChain({
+  id: 1231,
+  name: 'Ultron Mainnet',
+  nativeCurrency: { name: 'ULX', symbol: 'ULX', decimals: 18 },
+  rpcUrls: {
+    default: {
+      http: ['https://ultron-rpc.net'],
+    },
+  },
+  blockExplorers: {
+    default: {
+      name: 'Ultron Scan',
+      url: 'https://ulxscan.com',
+    },
+  },
+  testnet: false,
+})