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/knex/index.d.ts

@@ -0,0 +1,9 @@
+import type { Knex as KnexType } from 'knex';
+import type { InferInsertModel, InferSelectModel, Table } from "../table.js";
+declare module 'knex/types/tables.ts' {
+    type Knexify<T extends Table> = KnexType.CompositeTableType<InferSelectModel<T, {
+        dbColumnNames: true;
+    }>, InferInsertModel<T, {
+        dbColumnNames: true;
+    }>> & {};
+}