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/primary-key.d.ts

@@ -0,0 +1,10 @@
+import { entityKind } from "./entity.js";
+import type { AnyColumn } from "./column.js";
+import type { Table } from "./table.js";
+export declare abstract class PrimaryKey {
+    readonly table: Table;
+    readonly columns: AnyColumn[];
+    static readonly [entityKind]: string;
+    protected $brand: 'PrimaryKey';
+    constructor(table: Table, columns: AnyColumn[]);
+}