let early return return the expected data

Author: Treggats

Diff for: src/Relations/EmbedsOneOrMany.php

@@ -273,17 +273,17 @@ protected function toCollection(array $records = [])
      *
      * @return Model
      */
-    protected function toModel($attributes = [])
+    protected function toModel(array $attributes = []): Model
     {
-        if ($attributes === null) {
-            return;
-        }
-
         $connection = $this->related->getConnection();
 
+        if (empty($attributes)) {
+            return $this->related->newFromBuilder(connection: $connection?->getName());
+        }
+
         $model = $this->related->newFromBuilder(
-            (array) $attributes,
-            $connection ? $connection->getName() : null,
+            $attributes,
+            $connection?->getName(),
         );
 
         $model->setParentRelation($this);