Fixed field layout bug

Author: brandonkelly

CHANGELOG.md

@@ -3,6 +3,7 @@
 ## Unreleased
 
 - Fixed a bug where asset edit page URLs contained spaces if the asset filename contained spaces. ([#15236](https://github.com/craftcms/cms/issues/15236))
+- Fixed a bug where custom fields were getting included in rendered field layout forms, even if their `getInputHtml()` method returned an empty string.
 
 ## 4.13.7 - 2024-12-17
 

src/fieldlayoutelements/CustomField.php

@@ -284,7 +284,7 @@ protected function inputHtml(?ElementInterface $element = null, bool $static = f
         $this->_field->required = $required;
         $this->_field->describedBy = $describedBy;
 
-        return $html;
+        return $html !== '' ? $html : null;
     }
 
     /**