feat(nbstore): add blob sync storage (#10752)

packages/frontend/core/src/bootstrap/polyfill/browser.ts

@@ -3,6 +3,7 @@ import './array-to-spliced';
 import './dispose';
 import './iterator-helpers';
 import './promise-with-resolvers';
+import './set-union';
 
 import { polyfillEventLoop } from './request-idle-callback';
 import { polyfillResizeObserver } from './resize-observer';

packages/frontend/core/src/bootstrap/polyfill/set-union.ts

@@ -0,0 +1 @@
+import 'core-js/es/set/union.js';