fix(node): ctrl + c closes the server without exit code

[btea]

Description

If the shutdown process includes an exit code, it looks like something went wrong.

Additional context

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What is the purpose of this pull request?

• Bug fix
• New Feature
• Documentation update
• Other

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[bluwy]

Exit 1 is intentional in #11563, however in Vite 5 we also plan to move away from setRawMode so that can also fix this issue.

[btea]

OK, thank you for the reference link. However, as the comment says, the return statement can perhaps be removed.

Maybe we can wait until your Vite 5 plan to solve it together.