static methods in mocked classes is missing in typescript

[alvis]

Describe the bug

In v4, class mocking finally arrived. However, static methods are missing from the export, despite it's illustrated from the document.

Reproduction

const Dog = vi.fn(class {
  static getType = vi.fn(() => 'mocked animal')
})

Dog.getType // <- it is inaccessible in typescript

System Info

vitest v4.0.4

Used Package Manager

pnpm

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