fix(widget): metadata fields with lists as values are displayed properly

[andrewedstrom]

Description

This commit broke the formatting of metadata values that were lists.

This PR fixes that.

Related Issues

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Checklist

• [ ] I have tested these changes locally and they work as expected.
• [ ] I have added or updated tests to cover any new functionality or bug fixes.
• [ ] I have updated the documentation to reflect any changes or additions to the project.
• [ ] I have followed the project's code of conduct and conventions for commit messages.

Additional Information

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