Describe the bug

Starting Vitest with the --ui parameter will open the Vitest UI and run all tests, but the UI doesn't show any tests. I have to reload the UI in the browser to see the tests. This only happens after updating to Vitest UI 2.x

Reproduction

Can be reproduced with the StackBlitz demo you provide: https://stackblitz.com/edit/vitest-dev-vitest-q9metk?file=README.md&initialPath=__vitest__/

System Info

System:
    OS: Linux 5.0 undefined
    CPU: (8) x64 Intel(R) Core(TM) i9-9880H CPU @ 2.30GHz
    Memory: 0 Bytes / 0 Bytes
    Shell: 1.0 - /bin/jsh
  Binaries:
    Node: 18.20.3 - /usr/local/bin/node
    Yarn: 1.22.19 - /usr/local/bin/yarn
    npm: 10.2.3 - /usr/local/bin/npm
    pnpm: 8.15.6 - /usr/local/bin/pnpm
  npmPackages:
    @vitest/ui: latest => 2.0.1 
    vite: latest => 5.3.3 
    vitest: latest => 2.0.1

Used Package Manager

npm

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