CLI: Change Button stories layout for React starter templates

[yannbf]

Relates to #22784

What I did

• Add layout: 'centered' to button stories
• Add Typescript 4.9 templates to @storybook/nextjs

How to test

1. Run a sandbox for a react template, e.g. yarn task --task sandbox --start-from auto --template react-vite/default-ts
2. Check the example stories

Checklist

• Make sure your changes are tested (stories and/or unit, integration, or end-to-end tests)
• Make sure to add/update documentation regarding your changes
• If you are deprecating/removing a feature, make sure to update
  MIGRATION.MD

Maintainers

• If this PR should be tested against many or all sandboxes,
  make sure to add the ci:merged or ci:daily GH label to it.
• Make sure this PR contains one of the labels below.

["cleanup", "BREAKING CHANGE", "feature request", "bug", "documentation", "maintenance", "dependencies", "other"]

[yannbf]

Chromatic timed out for Preact, I'm merging this PR as it's safe to do so!