feat(vitest): support `clearScreen` cli flag

[hi-ogawa]

Description

• Closes https://github.com/vitest-dev/vitest/issues/5185

todo

• [x] docs
• [x] tests
  • manually tested in examples/basic by adding clearScreen: true/false in vite.config.ts and using --clearScreen=true/false from cli

Please don't delete this checklist! Before submitting the PR, please make sure you do the following:

• [x] It's really useful if your PR references an issue where it is discussed ahead of time. If the feature is substantial or introduces breaking changes without a discussion, PR might be closed.
• [x] Ideally, include a test that fails without this PR but passes with it.
• [ ] Please, don't make changes to pnpm-lock.yaml unless you introduce a new test example.

Tests

• [ ] Run the tests with pnpm test:ci.

Documentation

• [x] If you introduce new functionality, document it. You can run documentation with pnpm run docs command.

Changesets

• [x] Changes in changelog are generated from PR name. Please, make sure that it explains your changes in an understandable manner. Please, prefix changeset messages with feat:, fix:, perf:, docs:, or chore:.

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[ghiscoding]

@hi-ogawa you're missing a "r" in your title cleaScreen 😉

[hi-ogawa]

@ghiscoding Good catch :smile: I fixed it now!