fixup! feat: promote DangerZone from pickers recipe to core UI

Fix DangerZone.stories.tsx import: @storybook/test → storybook/test
(Storybook 10 moved test utils to storybook/test subpath export).

Author: Clawy

src/components/ui/DangerZone.stories.tsx

@@ -1,7 +1,7 @@
 import * as React from "react";
 import type { Meta, StoryObj } from "@storybook/react-vite";
-import { userEvent, within, expect, waitFor } from "@storybook/test";
-import { fn } from "@storybook/test";
+import { userEvent, within, expect, waitFor } from "storybook/test";
+import { fn } from "storybook/test";
 import { DangerZone } from "./DangerZone";
 
 const meta = {