#4061 seems like break running vite in dev mode

[dejour]

Describe the bug

i was gonna do some testing in resolve playground with vite running in dev mode. then got following error.

Error: Cannot find module 'vite/dist/client/client.mjs'
Require stack:
- /Users/taylorliu/Projects/dev-vite/vite/packages/vite/dist/node/constants.js
- /Users/taylorliu/Projects/dev-vite/vite/packages/vite/dist/node/utils.js
- /Users/taylorliu/Projects/dev-vite/vite/packages/vite/dist/node/plugins/reporter.js
- /Users/taylorliu/Projects/dev-vite/vite/packages/vite/dist/node/build.js
- /Users/taylorliu/Projects/dev-vite/vite/packages/vite/dist/node/config.js
- /Users/taylorliu/Projects/dev-vite/vite/packages/vite/dist/node/index.js
- /Users/taylorliu/Projects/dev-vite/vite/packages/vite/dist/node/cli.js
- /Users/taylorliu/Projects/dev-vite/vite/packages/vite/bin/vite.js

it looks like it's caused by #4061.

Reproduction

you can test it in any playground using vite in dev mode.

System Info

System:
    OS: macOS 10.15.2
    CPU: (4) x64 Intel(R) Core(TM) i5-7267U CPU @ 3.10GHz
    Memory: 433.47 MB / 8.00 GB
    Shell: 3.2.2 - /usr/local/bin/fish
  Binaries:
    Node: 14.15.4 - /usr/local/bin/node
    Yarn: 1.22.10 - /usr/local/bin/yarn
    npm: 6.14.10 - /usr/local/bin/npm
  Browsers:
    Chrome: 91.0.4472.114
    Firefox: 75.0
    Safari: 13.0.4

Used Package Manager

yarn

Logs

No response

Validations

• Follow our Code of Conduct
• Read the Contributing Guidelines.
• Read the docs.
• Check that there isn't already an issue that reports the same bug to avoid creating a duplicate.
• Make sure this is a Vite issue and not a framework-specific issue. For example, if it's a Vue SFC related bug, it should likely be reported to https://github.com/vuejs/vue-next instead.
• Check that this is a concrete bug. For Q&A open a GitHub Discussion or join our Discord Chat Server.

[sodatea]

Will be fixed by #4183