Issue #3371301: Retrieve field type category information in \Drupal\Core\Field\FieldTypePluginManager::getGroupedDefinitions

core/lib/Drupal/Core/Field/FieldTypeCategoryManager.php

@@ -79,7 +79,7 @@ protected function getDiscovery(): YamlDiscovery {
    * {@inheritdoc}
    */
   public function getFallbackPluginId($plugin_id, array $configuration = []): string {
-    return 'general';
+    return FieldTypeCategoryManagerInterface::FALLBACK_CATEGORY;
   }
 
 }