ConfirmDialog: RejectButton classes in unstyled mode are not applied

[ivanpajon]

Describe the bug

Classes defined in pt are not applied in reject button.
Also, typescript type definitions for rejectButton and acceptButton are wrong.

Reproducer

https://stackblitz.com/edit/aznirh?file=src%2Fmain.jsx

System Information

• System:

  OS: Windows 11 10.0.22631
  CPU: (20) x64 12th Gen Intel(R) Core(TM) i9-12900HK
  Memory: 37.19 GB / 63.71 GB

• Binaries:

  Node: 22.4.1 - ~\AppData\Local\nvs\default\node.EXE
  npm: 10.8.1 - ~\AppData\Local\nvs\default\npm.CMD
  pnpm: 9.6.0 - ~\AppData\Local\pnpm\pnpm.CMD

• Browsers:

  Edge: Chromium (127.0.2651.74)
  Internet Explorer: 11.0.22621.3527

• npmPackages:

  react: 18.3.1 => 18.3.1

Steps to reproduce the behavior

1. Go to reproducer
2. Inspect classes in reject button
3. Classes defined in pt are not applied

Expected behavior

Classes defined in pt are passed and applied to reject button