html reporter not working when metadata served with content type of 'application/x-gzip'

[mzanelee]

Describe the bug

I'm publishing the test results provided by the html reporter in a Jenkins pipeline, I am expecting to see the test results from Jenkins but am getting a blank page with error, see screenshots

The error is caused by skipping the metadata unzip when its content-type is application/x-gzip because it's only checking for application/gzip.

I would like to submit a PR for this issue updating this line:
https://github.com/vitest-dev/vitest/blob/9836ccb48c5a39c0999484f55731f53ba494be17/packages/ui/client/composables/client/static.ts#LL77C1-L77C1

to
if (contentType.includes('application/gzip') || contentType.includes(application/x-gzip)) {

Reproduction

repo: https://github.com/mzanelee/reproduce-html-reporter-issue

steps to reproduce:

1. run npm install
2. run npm run test
3. run npx http-server test-report --mimetypes '{"application/x-gzip":["gz"]}'

view error on localhost:8080

System Info

System:
    OS: macOS 13.3.1
    CPU: (10) arm64 Apple M1 Pro
    Memory: 1.23 GB / 32.00 GB
    Shell: 5.9 - /bin/zsh
  Binaries:
    Node: 18.12.1 - ~/.nvm/versions/node/v18.12.1/bin/node
    Yarn: 1.22.19 - /opt/homebrew/bin/yarn
    npm: 8.19.2 - ~/.nvm/versions/node/v18.12.1/bin/npm
  Browsers:
    Chrome: 113.0.5672.63
    Safari: 16.4
  npmPackages:
    vite: ^4.3.2 => 4.3.5

Used Package Manager

npm

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