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/unichain.ts

@@ -0,0 +1,47 @@
+import { chainConfig } from '../../op-stack/chainConfig.js'
+import { defineChain } from '../../utils/chain/defineChain.js'
+
+const sourceId = 1 // mainnet
+
+export const unichain = /*#__PURE__*/ defineChain({
+  ...chainConfig,
+  id: 130,
+  name: 'Unichain',
+  nativeCurrency: { name: 'Ether', symbol: 'ETH', decimals: 18 },
+  blockTime: 1_000,
+  rpcUrls: {
+    default: {
+      http: ['https://mainnet.unichain.org/'],
+    },
+  },
+  blockExplorers: {
+    default: {
+      name: 'Uniscan',
+      url: 'https://uniscan.xyz',
+      apiUrl: 'https://api.uniscan.xyz/api',
+    },
+  },
+  contracts: {
+    ...chainConfig.contracts,
+    multicall3: {
+      address: '0xca11bde05977b3631167028862be2a173976ca11',
+      blockCreated: 0,
+    },
+    disputeGameFactory: {
+      [sourceId]: {
+        address: '0x2F12d621a16e2d3285929C9996f478508951dFe4',
+      },
+    },
+    portal: {
+      [sourceId]: {
+        address: '0x0bd48f6B86a26D3a217d0Fa6FfE2B491B956A7a2',
+      },
+    },
+    l1StandardBridge: {
+      [sourceId]: {
+        address: '0x81014F44b0a345033bB2b3B21C7a1A308B35fEeA',
+      },
+    },
+  },
+  sourceId,
+})