Bug -> pdf.js not added in web/index.html. but the script is already added.

[joseianpatrick]

Describe the bug
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To Reproduce
Steps to reproduce the behavior:

1. Run flutter pub run pdfx:install_web it says the script is already added.

2. The script is already added.

Expected behavior
A clear and concise description of what you expected to happen.

1. It should build on flutter web.

Screenshots
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Smartphone (please complete the following information):

• Device: Mac OS
• OS: Tahoe 26.0.1

Additional context
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