Address findings to get ready for UI Patterns 2.x
>>> [!note] Migrated issue
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<!-- Migrated from issue #3412142. -->
Reported by: [smustgrave](https://www.drupal.org/user/3252890)
Related to !56
>>>
<h3 id="summary-problem-motivation">Problem/Motivation</h3>
<p>Unable to render component "ui_suite_uswds:table". A render array or a scalar is expected for the slot "header"<br>
Unable to render component "ui_suite_uswds:social_links_group". A render array or a scalar is expected for the slot "items"<br>
Unable to render component "ui_suite_uswds:footer". A render array or a scalar is expected for the slot "footer_social_links"<br>
Unable to render component "ui_suite_uswds:process_list". A render array or a scalar is expected for the slot "items"<br>
Unable to render component "ui_suite_uswds:icon_list". A render array or a scalar is expected for the slot "items"<br>
Unable to render component "ui_suite_uswds:collection_item". A render array or a scalar is expected for the slot "meta_items_list"</p>
<h4 id="summary-steps-reproduce">Steps to reproduce</h4>
<h3 id="summary-proposed-resolution">Proposed resolution</h3>
<h3 id="summary-remaining-tasks">Remaining tasks</h3>
<h3 id="summary-ui-changes">User interface changes</h3>
<h3 id="summary-api-changes">API changes</h3>
<h3 id="summary-data-model-changes">Data model changes</h3>
issue