Issue #3525839: Test (mismatched) Workflow on comment, using operator '?->'...

Issue #3525839: Test (mismatched) Workflow on comment, using operator '?->' also on many other places

src/Plugin/Field/FieldType/WorkflowItem.php

@@ -118,7 +118,6 @@ class WorkflowItem extends ListItemBase {
   public static function defaultStorageSettings() {
     $settings = [
       'workflow_type' => '',
-      // Do not change. @see https://www.drupal.org/project/drupal/issues/2643308
       'allowed_values_function' => 'workflow_state_allowed_values',
     ] + parent::defaultStorageSettings();
     return $settings;

src/WorkflowStateListBuilder.php

@@ -324,7 +324,7 @@ class WorkflowStateListBuilder extends DraggableListBuilder {
         $args = [
           '%workflow' => $workflow->label(),
           '%old_state' => $state->label(),
-          '%new_state' => isset($new_state) ? $new_state->label() : '',
+          '%new_state' => $new_state?->label() ?? '',
         ];
 
         if ($value['count'] > 0) {