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/vite-node/dist/hmr.cjs

@@ -0,0 +1,21 @@
+'use strict';
+
+var hmr = require('./chunk-hmr.cjs');
+require('node:events');
+require('picocolors');
+require('debug');
+require('./utils.cjs');
+require('node:url');
+require('node:module');
+require('node:fs');
+require('pathe');
+
+
+
+exports.createHmrEmitter = hmr.createHmrEmitter;
+exports.createHotContext = hmr.createHotContext;
+exports.getCache = hmr.getCache;
+exports.handleMessage = hmr.handleMessage;
+exports.reload = hmr.reload;
+exports.sendMessageBuffer = hmr.sendMessageBuffer;
+exports.viteNodeHmrPlugin = hmr.viteNodeHmrPlugin;