web_accessible_resources are not packaged.

Describe the bug

The resources specified by web_accessible_resources are not packaged.

web_accessible_resources: [{
resources: ['a.js', 'b.js'],
matches: ['<all_urls>']
}],

After executing "yarn install" and "yarn dev", the files a.js and b.js were not bundled. In Google Chrome. Version 0.19.13 is good, but the latest version is not.

Reproduction

1

Steps to reproduce

No response

System Info

System:
    OS: macOS 15.3.1
    CPU: (20) x64 Intel(R) Core(TM) i9-10910 CPU @ 3.60GHz
    Memory: 19.53 GB / 96.00 GB
    Shell: 3.2.57 - /bin/bash
  Binaries:
    Node: 22.12.0 - ~/.volta/tools/image/node/22.12.0/bin/node
    Yarn: 1.22.19 - ~/.volta/tools/image/yarn/1.22.19/bin/yarn
    npm: 10.9.0 - ~/.volta/tools/image/node/22.12.0/bin/npm
    pnpm: 8.6.2 - ~/.volta/bin/pnpm
    bun: 1.2.12 - ~/.bun/bin/bun
  Browsers:
    Chrome: 139.0.7258.129
    Safari: 18.3

Used Package Manager

npm

Validations

• Read the Contributing Guidelines.
• Read the docs.
• Check that there isn't already an issue that reports the same bug to avoid creating a duplicate.
• Check that this is a concrete bug. For Q&A open a GitHub Discussion or join our Discord Chat Server.
• The provided reproduction is a minimal reproducible example of the bug.

Start by reproducing the configuration shown in the issue with yarn dev and verify whether a.js and b.js are absent from the packaged extension. Compare the latest behavior with version 0.19.13, then confirm that both resources are packaged when the fix is complete.