fix(expect)!: pass current equality testers to asymmetric matcher

[hi-ogawa]

Description

• closes https://github.com/vitest-dev/vitest/issues/6820

This is breaking (making equality stricter in most cases) but this behavior probably makes more sense.

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

• [ ] 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:.

[netlify[bot]]

✅ Deploy Preview for vitest-dev ready!

Built without sensitive environment variables

Name	Link
🔨 Latest commit	abed2def978194d5a676bb5455e7fc927391cf4a
🔍 Latest deploy log	https://app.netlify.com/sites/vitest-dev/deploys/6722e3729b52430008792bfa
😎 Deploy Preview	https://deploy-preview-6825--vitest-dev.netlify.app
📱 Preview on mobile	Toggle QR Code... Use your smartphone camera to open QR code link.

---

To edit notification comments on pull requests, go to your Netlify site configuration.

[sheremet-va]

@hi-ogawa can you resolve conflicts, please? 👀