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/meld.ts

@@ -0,0 +1,23 @@
+import { defineChain } from '../../utils/chain/defineChain.js'
+
+export const meld = /*#__PURE__*/ defineChain({
+  id: 333000333,
+  name: 'Meld',
+  nativeCurrency: {
+    decimals: 18,
+    name: 'Meld',
+    symbol: 'MELD',
+  },
+  rpcUrls: {
+    default: { http: ['https://rpc-1.meld.com'] },
+  },
+  blockExplorers: {
+    default: { name: 'MELDscan', url: 'https://meldscan.io' },
+  },
+  contracts: {
+    multicall3: {
+      address: '0x769ee5a8e82c15c1b6e358f62ac8eb6e3abe8dc5',
+      blockCreated: 360069,
+    },
+  },
+})