Add a template for rt-content to more easily handle printing body fie…

[robgasc]

…ld with ease.

📝 Description

This renders the body field with applied text format, and prefers using a rt-content template to do so versus accessing the field direct in rt and needing to work around how text filtering is handled there.

Fixes #1215

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✅ Peer Review Checklist

Reviewers: Please verify the following before approving.

• The pull request links to the issue it is addressing in the comment and in the "Development" section of the PR
• There is a short summary that describes how the fix is implemented
• Verifying work: Verify that the changes made are addressing the linked issue
• Accessibility: Changes that might impact accessibility are reviewed to work with keyboard navigation and screen readers
• Responsive: Layout is tested on desktop, tablet, and mobile screens
• Config changes: Any configuration updates are tested and verified using the Distribution Update import
• Security: Output is sanitized (using t(), Twig auto-escaping, etc.). No secrects included (API keys, etc.)
• Cleanliness: All debug code (ksm(), dpm(), console.log) has been removed.
• Comments: Complex logic is explained inline.
• Documentation: Any relevant documentation has been updated (this can be a separate issue if needed)

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📸 Screenshots / Video (Optional)

If this is a UI change, please attach a screenshot or a quick screen recording of the change in action.

[robgasc]

In addition to rt. this pr also fixes list collection, and tweaks feature_grouped to not use |raw filter on body. Also needs web-illinois/illinois_framework_core#170 to ensure body field on feature grouped does not show the label.

[trubach]

See my comment at #1215 (comment)

[robgasc]

@trubach This is now updated so that columns will render and the set body format will be applied for Rich Text.

[trubach]

Reviewed and it looks good! Ready to merge!