Linker works for `type: string, format: date-time`, but `DateTimeDefaultWidget` renders the linker twice
>>> [!note] Migrated issue
<!-- Drupal.org comment -->
<!-- Migrated from issue #3550848. -->
Reported by: [wim leers](https://www.drupal.org/user/99777)
Related to !268
>>>
<h3 id="overview">Overview</h3>
<ol>
<li>Create a required datetime field on some node type, and pick "date and time" as the date type.
</li><li>Place the "all props" test SDC in a content template for that node type
</li></ol>
<p>Observe 2 linkers for one widget — one for each <code><input></code> in the field widget:<br>
<img src="https://www.drupal.org/files/issues/2025-10-07/Screenshot%202025-10-07%20at%2011.44.27%20PM.png"></p>
<p>But it does still work:<br>
<img src="https://www.drupal.org/files/issues/2025-10-07/Screenshot%202025-10-07%20at%2011.43.58%20PM.png"></p>
<h3 id="proposed-resolution">Proposed resolution</h3>
<p>Fix.</p>
<h3 id="ui-changes">User interface changes</h3>
<p>Now works end-to-end:<br>
<img src="https://www.drupal.org/files/issues/2026-02-17/3528288%20fixed%20end-to-end.gif"></p>
> Related issue: [Issue #3528288](https://www.drupal.org/node/3528288)
> Related issue: [Issue #3461499](https://www.drupal.org/node/3461499)
issue