Issue #3525841: Introduce WorkflowItem::getWorkflowId()

src/WorkflowTypeAttributeTrait.php

@@ -94,11 +94,11 @@ trait WorkflowTypeAttributeTrait {
     }
 
     try {
-      // WorkflowItem.
-      $this->wid = $this->getSetting('workflow_type');
-      if ($this->wid) {
-        return $this->wid;
-      }
+      // WorkflowItem. Is already set in WorkflowItem::__construct().
+      // $this->wid = $this->getSetting('workflow_type');
+      // if (!empty($this->wid)) {
+      //   return $this->wid;
+      // }
     }
     catch (\Error $e) {
       // Error: Call to undefined method Drupal\workflow\Entity\WorkflowTransition::getSetting()
@@ -108,9 +108,9 @@ trait WorkflowTypeAttributeTrait {
       // WorkflowTransition.
       $value = $this->get('wid');
       $this->wid = match (TRUE) {
-        // In WorkflowTransition.
-        is_object($value) => $value->getValue()[0]['target_id'] ?? '',
-        // In ...
+        // 'entity_reference' in WorkflowTransition.
+        is_object($value) => $value->{'target_id'} ?? '',
+        // 'list_string' in WorkflowTransition.
         is_string($value) => $value,
       };
     }