Add ability to use ISBN & ArXiv ID in websearch

[aqurilla]

This fixes #7575 by adding a pre-processing step to the web search, using org.jabref.logic.importer.CompositeIdFetcher.
This is a followup to PR #9969, and extends the logic to cover ISBN and ArXiv ID cases as well.

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.

[calixtus]

😍

[koppor]

Thank you for the ongoing good contributions @aqurilla!

The "design" added in this PR allows for adding RFC and other IDs easily. Let's see when users will ask for it.

[aqurilla]

Glad to hear that, thankyou!