Css does not load when the SFC-js is import async

[LoveofRedMoon]

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Describe the bug

In some cases, the SFC-js is import async and SFC-css is split with js.
but js does not inject css

Reproduction

https://github.com/LoveofRedMoon/vite-build-css-error.git

System Info

• required vite version: 2.0.0-beat.5
• required Operating System: win10
• required Node version: 15
• Optional:
  • npm/yarn version 14
  • Installed vue version (from yarn.lock or package-lock.json) 3.0.5
  • Installed @vue/compiler-sfc version

Logs (Optional if provided reproduction)

1. Run vite or vite build with the --debug flag.
2. Provide the error log here.

follow #1356

The error does not fix

from the repository, when build, PScroll.js does not show link element