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/drizzle-orm/batch.d.ts

@@ -0,0 +1,6 @@
+import type { Dialect } from "./column-builder.js";
+import type { RunnableQuery } from "./runnable-query.js";
+export type BatchItem<TDialect extends Dialect = Dialect> = RunnableQuery<any, TDialect>;
+export type BatchResponse<T extends BatchItem[] | readonly BatchItem[]> = {
+    [K in keyof T]: T[K]['_']['result'];
+};