[Bug report] Outputsize increased by charset

[Mister-Hope]

Description

When built with vite, none ascii characters are formatted to \uxxx

While actually, giving charset to utf-8 for esbuild, they can be directlly outputed and can help desincrese output size.

Reproduction

https://v2.vuepress.vuejs.org/

Used Package Manager

pnpm

System Info

Not needed

[Mister-Hope]

Opened https://github.com/vitejs/vite/issues/10482