Don't truncate generated field values within cards

Resolves #18646

Author: brandonkelly

CHANGELOG-WIP.md

@@ -19,6 +19,7 @@
 - Added the “Time Zone” user preference. ([#8518](https://github.com/craftcms/cms/discussions/8518))
 - Element indexes now automatically refresh after duplicating elements and the queue is completed, if there’s an active search term. ([#18636](https://github.com/craftcms/cms/issues/18636))
 - Timestamps in the control panel now include their time zone abbreviation. ([#18639](https://github.com/craftcms/cms/pull/18639))
+- Generated field values are no longer truncated within element cards. ([#18646](https://github.com/craftcms/cms/discussions/18646))
 
 ### Administration
 - Time fields’ “Max Time” settings can now be set to an earlier time than “Min Time”, for overnight time ranges. ([#18575](https://github.com/craftcms/cms/pull/18575))

src/models/FieldLayout.php

@@ -1338,7 +1338,11 @@ private function cardHtmlForGeneratedField(string $key, ?ElementInterface $eleme
         }
 
         if ($element) {
-            return $element->getGeneratedFieldValues()[$uid] ?? null;
+            $html = $element->getGeneratedFieldValues()[$uid] ?? null;
+            if (!$html) {
+                return null;
+            }
+            return Html::tag('div', $html, ['class' => 'no-truncate']);
         }
 
         return Html::encode($field['name'] ?? '');