refactor: avoid using isFileServingAllowed from Vite (#9490)

Author: sapphi-red

packages/vitest/src/api/setup.ts

@@ -20,9 +20,9 @@ import { performance } from 'node:perf_hooks'
 import { noop } from '@vitest/utils/helpers'
 import { createBirpc } from 'birpc'
 import { parse, stringify } from 'flatted'
-import { isFileServingAllowed } from 'vite'
 import { WebSocketServer } from 'ws'
 import { API_PATH } from '../constants'
+import { isFileServingAllowed } from '../node/vite'
 import { getTestFileEnvironment } from '../utils/environments'
 import { getModuleGraph } from '../utils/graph'
 import { stringifyReplace } from '../utils/serialization'