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/beamTestnet.ts

@@ -0,0 +1,31 @@
+import { defineChain } from '../../utils/chain/defineChain.js'
+
+export const beamTestnet = /*#__PURE__*/ defineChain({
+  id: 13337,
+  name: 'Beam Testnet',
+  network: 'beam',
+  nativeCurrency: {
+    decimals: 18,
+    name: 'Beam',
+    symbol: 'BEAM',
+  },
+  rpcUrls: {
+    default: {
+      http: ['https://build.onbeam.com/rpc/testnet'],
+      webSocket: ['wss://build.onbeam.com/ws/testnet'],
+    },
+  },
+  blockExplorers: {
+    default: {
+      name: 'Beam Explorer',
+      url: 'https://subnets-test.avax.network/beam',
+    },
+  },
+  contracts: {
+    multicall3: {
+      address: '0x9bf49b704ee2a095b95c1f2d4eb9010510c41c9e',
+      blockCreated: 3,
+    },
+  },
+  testnet: true,
+})