Remove download when html file

[Siedlerchr]

Fixes #10149

Mandatory checks

• Change in CHANGELOG.md described in a way that is understandable for the average user (if applicable)
• Tests created for changes (if applicable)
• Manually tested changed features in running JabRef (always required)
• Screenshots added in PR description (for UI changes)
• Checked developer's documentation: Is the information available and up to date? If not, I outlined it in this pull request.
• Checked documentation: Is the information available and up to date? If not, I created an issue at https://github.com/JabRef/user-documentation/issues or, even better, I submitted a pull request to the documentation repository.

[koppor]

I am not sure about this one if there are multiple files attached and only one leads to HTML. Need to see the full source.

[Siedlerchr]

I'm only removing the current linked File from he current download.
I am getting all existing files from the entry and just remove the current one
To trigger change detection I have to reassign the list

[koppor]

This is a hard issue.

Test entry:

@Article{,
  file = {https://github.com/JabRef/jabref/issues/10149},
}

Click on "download File"

Then, the whole link is removed:

---

When executing the steps from #10149 (comment), there are two URLs shown in the file dialog:

They are removed shortly after.

---

I am working on a fix.

[koppor]

Fixed 8398d8e (#11227)

[github-actions]

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