fix: LocalStorage is empty object on node@25 which breaks tests (#11240)

Co-authored-by: dwelle <5153846+dwelle@users.noreply.github.com>

setupTests.ts

@@ -8,7 +8,13 @@ import { vi } from "vitest";
 import polyfill from "./packages/excalidraw/polyfill";
 import { mockThrottleRAF } from "./packages/excalidraw/tests/helpers/mocks";
 import { yellow } from "./packages/excalidraw/tests/helpers/colorize";
-import { testPolyfills } from "./packages/excalidraw/tests/helpers/polyfills";
+import {
+  PolyfillLocalStorage,
+  testPolyfills,
+} from "./packages/excalidraw/tests/helpers/polyfills";
+
+Object.assign(globalThis, testPolyfills);
+PolyfillLocalStorage();
 
 vi.mock("@excalidraw/common", async (importOriginal) => {
   const module = await importOriginal<typeof import("@excalidraw/common")>();
@@ -22,8 +28,6 @@ vi.mock("@excalidraw/common", async (importOriginal) => {
 // mock for pep.js not working with setPointerCapture()
 HTMLElement.prototype.setPointerCapture = vi.fn();
 
-Object.assign(globalThis, testPolyfills);
-
 require("fake-indexeddb/auto");
 
 polyfill();