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.cjs.map

@@ -0,0 +1 @@
+{"version":3,"sources":["../src/batch.ts"],"sourcesContent":["import type { Dialect } from './column-builder.ts';\nimport type { RunnableQuery } from './runnable-query.ts';\n\nexport type BatchItem<TDialect extends Dialect = Dialect> = RunnableQuery<any, TDialect>;\n\nexport type BatchResponse<T extends BatchItem[] | readonly BatchItem[]> = {\n\t[K in keyof T]: T[K]['_']['result'];\n};\n"],"mappings":";;;;;;;;;;;;;;AAAA;AAAA;","names":[]}