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/lib0/dist/diff.cjs

@@ -0,0 +1,18 @@
+'use strict';
+
+Object.defineProperty(exports, '__esModule', { value: true });
+
+require('./function-314580f7.cjs');
+var diff = require('./diff-9d236524.cjs');
+require('./array-78849c95.cjs');
+require('./set-5b47859e.cjs');
+require('./object-c0c9435b.cjs');
+require('./equality.cjs');
+
+
+
+exports.simpleDiff = diff.simpleDiff;
+exports.simpleDiffArray = diff.simpleDiffArray;
+exports.simpleDiffString = diff.simpleDiffString;
+exports.simpleDiffStringWithCursor = diff.simpleDiffStringWithCursor;
+//# sourceMappingURL=diff.cjs.map