fix(core): mixpanel error when opt-out (#6861)

packages/frontend/core/src/telemetry.tsx

@@ -1,8 +1,9 @@
 import { appSettingAtom } from '@toeverything/infra';
 import { useAtomValue } from 'jotai/react';
-import mixpanel from 'mixpanel-browser';
 import { useLayoutEffect } from 'react';
 
+import { mixpanel } from './utils';
+
 export function Telemetry() {
   const settings = useAtomValue(appSettingAtom);
   useLayoutEffect(() => {