feaT: add SequentiallyConstraint and childs and test if we can have our...

feaT: add SequentiallyConstraint and childs and test if we can have our RecursiveContextualValidator just convert values to TypedData if the data is the same.

Closes #3521131

core/lib/Drupal/Core/TypedData/Validation/RecursiveContextualValidator.php

@@ -93,8 +93,16 @@ public function validate($data, $constraints = NULL, $groups = NULL, $is_root_ca
       throw new \LogicException('Passing custom groups is not supported.');
     }
 
+    // Convert to TypedDataInterface if it matches the context object's value
     if (!$data instanceof TypedDataInterface) {
-      throw new \InvalidArgumentException('The passed value must be a typed data object.');
+      $context_object = $this->context->getObject();
+
+      if ($context_object instanceof TypedDataInterface && $data === $context_object->getValue()) {
+        $data = $context_object;
+      }
+      else {
+        throw new \InvalidArgumentException('The passed value must be a typed data object.');
+      }
     }
 
     // You can pass a single constraint or an array of constraints.