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/karura.ts

@@ -0,0 +1,26 @@
+import { defineChain } from '../../utils/chain/defineChain.js'
+
+export const karura = /*#__PURE__*/ defineChain({
+  id: 686,
+  name: 'Karura',
+  network: 'karura',
+  nativeCurrency: {
+    name: 'Karura',
+    symbol: 'KAR',
+    decimals: 18,
+  },
+  rpcUrls: {
+    default: {
+      http: ['https://eth-rpc-karura.aca-api.network'],
+      webSocket: ['wss://eth-rpc-karura.aca-api.network'],
+    },
+  },
+  blockExplorers: {
+    default: {
+      name: 'Karura Blockscout',
+      url: 'https://blockscout.karura.network',
+      apiUrl: 'https://blockscout.karura.network/api',
+    },
+  },
+  testnet: false,
+})