Ensure path can be specified for clearPreviewData (#40238)
As updated in https://github.com/vercel/next.js/pull/38313 this ensures the `path` option can also be passed to `clearPreviewData` to properly clear the preview cookies.
## Bug
- [x] Related issues linked using `fixes #number`
- [x] Integration tests added
- [ ] Errors have helpful link attached, see `contributing.md`
Fixes: https://github.com/vercel/next.js/issues/39853
