use obfuscator can not dynamic route imports

[FeiFanLiang]

Describe the bug

When I build the project using obfuscator and turn on stringArray and try to encode the string, the project cannot be accessed normally

#13020
#13023
I saw the above two issues and updated vite to 4.3.5,but did not solve the problem,Here is a minimal repro, using the same plugin as isue above

Reproduction

https://stackblitz.com/edit/vitejs-vite-tayyd2?file=vite.config.js

Steps to reproduce

Run npm run build
Run npm run preview

System Info

Vite 4.3.5

Used Package Manager

npm

Logs

No response

Validations

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• 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 vuejs/core instead.
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• The provided reproduction is a minimal reproducible example of the bug.

[stackblitz]

Start a new pull request in StackBlitz Codeflow.

• vitejs-vite-tayyd2 (Open reproduction)

[FeiFanLiang]

When not using dynamically loaded routes everything works fine

[sapphi-red]

This is happening because the obfuscator replaces __VITE_PRELOAD__ to \x5f\x5f\x56\x49\x54\x45\x5f\x50\x52\x45\x4c\x4f\x41\x44\x5f\x5f when unicodeEscapeSequence is set to true.

As _ can be represented as /_|\\x5f|\\u0005f|\\u{0*5f}/(regex) in JS, I guess supporting this case will require much more computation.

[patak-dev]

I think this should be fixed in vite-plugin-obfuscator. Maybe reservedString or reservedNames could be used here.