fix

Author: iamgergo

src/Fields/Relation.php

@@ -768,7 +768,13 @@ public function saved(Request $request, Model $model): void
      */
     public function resolveRouteBinding(Request $request, string $id): Model
     {
-        return $this->getRelation($request->route()->parentOfParameter($this->getRouteKeyName()))->findOrFail($id);
+        $parent = $request->route()->parentOfParameter($this->getRouteKeyName());
+
+        $model = $this->getRelation($parent)->findOrFail($id);
+
+        $parent->setRelation('_child', $model);
+
+        return $model;
     }
 
     /**

src/Http/Controllers/MorphToController.php

@@ -14,11 +14,11 @@ class MorphToController extends Controller
     /**
      * Handle the incoming request.
      */
-    public function __invoke(Request $request, Model $model, Model $related): Response
+    public function __invoke(Request $request, Model $model): Response
     {
         $field = $request->route('field');
 
-        $data = $field->toInput($request, $related);
+        $data = $field->toInput($request, $model->relationLoaded('_child') ? $model->getRelationValue('_child') : $model);
 
         return ResponseFactory::view($data['template'], $data);
     }

src/Root.php

@@ -27,7 +27,7 @@ class Root
      *
      * @var string
      */
-    public const string VERSION = '2.7.7';
+    public const string VERSION = '2.7.8';
 
     /**
      * The registered booting callbacks.