fix(nodes-base): Some pdf extract no chinese font error

[litecn]

Summary

When using "Extract From File" node, some PDF files that contain Chinese characters do not output the Chinese text, and there are warnings in the console:

n8n-1       | Warning: loadFont - translateFont failed: "UnknownErrorException: The CMap "baseUrl" parameter must be specified, ensure that the "cMapUrl" and "cMapPacked" API parameters are provided.".                                                                
n8n-1       | Warning: fetchStandardFontData: failed to fetch file "FoxitSans.pfb" with "UnknownErrorException: The standard font "baseUrl" parameter must be specified, ensure that the "standardFontDataUrl" API parameter is provided.".

According to the warning messages, certain parameters are missing in pdf.js, so I added a few parameters (cMapUrl, cMapPacked,standardFontDataUrl), and it works fine after testing.

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Review / Merge checklist

• PR title and summary are descriptive. (conventions)
• Docs updated or follow-up ticket created.
• Tests included.
• PR Labeled with release/backport (if the PR is an urgent fix that needs to be backported)

[CLAassistant]

All committers have signed the CLA.

[Joffcom]

Hey @litecn,

Thanks for the PR, We have created "GHC-632" as the internal reference to get this reviewed.

One of us will be in touch if there are any changes needed, in most cases this is normally within a couple of weeks but it depends on the current workload of the team.