Some bad ts performance cases

[tjx666]

Steps to reproduce

I write many details in the readme of https://github.com/tjx666/ts-perf-issue

Current behavior

The cases described in https://github.com/tjx666/ts-perf-issue/tree/main still bad ts performance

Expected behavior

Improve these cases performance.

Context

https://github.com/tjx666/ts-perf-issue

Your environment

npx @mui/envinfo

 System:
    OS: macOS 14.5
  Binaries:
    Node: 20.15.0 - ~/.local/state/fnm_multishells/22122_1719478157230/bin/node
    npm: 10.7.0 - ~/.local/state/fnm_multishells/22122_1719478157230/bin/npm
    pnpm: 9.4.0 - ~/.local/state/fnm_multishells/22122_1719478157230/bin/pnpm
  Browsers:
    Chrome: 126.0.6478.127
    Edge: Not Found
    Safari: 17.5
  npmPackages:
    @mui/lab: 5.0.0-alpha.170 => 5.0.0-alpha.170 
    @mui/material: ^5.15.20 => 5.15.20 
    @types/react: ^18.3.3 => 18.3.3 
    react: ^18.3.1 => 18.3.1 
    typescript: ^5.5.2 => 5.5.2

Search keywords: typescript, suggestion, slow, bad, performace, sxProps, createTheme, @mui/system