(Feat) : Allow previewing images when selecting them with the file picker. Now you can only see the file name

[calinvladth]

Caution

The Volto Team has suspended its review of new pull requests from first-time contributors until the release of Plone 7, which is preliminarily scheduled for the second quarter of 2026.
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• I signed and returned the Plone Contributor Agreement, and received and accepted an invitation to join a team in the Plone GitHub organization.
• I verified there aren't other open pull requests for the same change.
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• I succesfully ran code linting checks on my changes locally.
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• If needed, I added new tests for my changes.
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If your pull request closes an open issue, include the exact text below, immediately followed by the issue number. When your pull request gets merged, then that issue will close automatically.

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[boring-cyborg]

Caution

The Volto Team has suspended its review of new pull requests from first-time contributors until the release of Plone 7, which is preliminarily scheduled for the second quarter of 2026.
Read details.

Thanks for submitting your first pull request! You are awesome! 🤗

If you haven't done so already, read
Plone's Code of Conduct,
Contributing to Plone,
First-time contributors, and
Contributing to Volto,
as this will greatly help the review process.

Welcome to the Plone community! 🎉

[mister-roboto]

@calinvladth you need to sign the Plone Contributor Agreement to merge this pull request.

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[mister-roboto]

@calinvladth you need to sign the Plone Contributor Agreement to merge this pull request.

Learn about the Plone Contributor Agreement: https://plone.org/foundation/contributors-agreement

If you have already signed the agreement, please allow a week for your agreement to be processed.
Once it is processed, you will receive an email invitation to join the plone GitHub organization as a Contributor.

If after a week you have not received an invitation, then please contact [email protected].

[mister-roboto]

@calinvladth you need to sign the Plone Contributor Agreement to merge this pull request.

Learn about the Plone Contributor Agreement: https://plone.org/foundation/contributors-agreement

If you have already signed the agreement, please allow a week for your agreement to be processed.
Once it is processed, you will receive an email invitation to join the plone GitHub organization as a Contributor.

If after a week you have not received an invitation, then please contact [email protected].

[mister-roboto]

@calinvladth you need to sign the Plone Contributor Agreement to merge this pull request.

Learn about the Plone Contributor Agreement: https://plone.org/foundation/contributors-agreement

If you have already signed the agreement, please allow a week for your agreement to be processed.
Once it is processed, you will receive an email invitation to join the plone GitHub organization as a Contributor.

If after a week you have not received an invitation, then please contact [email protected].