Next.js: Fix wrong Next.js framework reference

Author: valentinpalkovic

code/frameworks/experimental-nextjs-vite/src/export-mocks/headers/cookies.ts

@@ -3,7 +3,7 @@
 // is the only way to achieve it actually being a singleton
 // eslint-disable-next-line @typescript-eslint/ban-ts-comment
 // @ts-ignore we must ignore types here as during compilation they are not generated yet
-import { headers } from '@storybook/nextjs/headers.mock';
+import { headers } from '@storybook/experimental-nextjs-vite/headers.mock';
 import { fn } from '@storybook/test';
 
 import { RequestCookies } from 'next/dist/compiled/@edge-runtime/cookies';

code/frameworks/nextjs/src/preview.tsx

@@ -5,7 +5,6 @@ import type { Addon_DecoratorFunction, Addon_LoaderFunction } from 'storybook/in
 // is the only way to achieve it actually being a singleton
 // eslint-disable-next-line @typescript-eslint/ban-ts-comment
 // @ts-ignore we must ignore types here as during compilation they are not generated yet
-import { cookies, headers } from '@storybook/nextjs/headers.mock';
 // eslint-disable-next-line @typescript-eslint/ban-ts-comment
 // @ts-ignore we must ignore types here as during compilation they are not generated yet
 import { createNavigation } from '@storybook/nextjs/navigation.mock';