remove need for HasAttributesTrait PreMount hook

Author: kbond

src/TwigComponent/src/HasAttributesTrait.php

@@ -13,7 +13,6 @@
 
 use Symfony\UX\LiveComponent\Attribute\LiveProp;
 use Symfony\UX\TwigComponent\Attribute\PostMount;
-use Symfony\UX\TwigComponent\Attribute\PreMount;
 
 /**
  * @author Kevin Bond <[email protected]>
@@ -25,23 +24,19 @@ trait HasAttributesTrait
     #[LiveProp(hydrateWith: 'hydrateAttributes', dehydrateWith: 'dehydrateAttributes')]
     public ComponentAttributes $attributes;
 
-    #[PreMount]
-    public function preMountAttributes(array $data): array
+    public function setAttributes(array $attributes): void
     {
-        $data['_attributes'] = $data['attributes'] ?? [];
-
-        unset($data['attributes']);
-
-        return $data;
+        $this->attributes = new ComponentAttributes($attributes);
     }
 
     #[PostMount(priority: -1000)]
     public function mountAttributes(array $data): array
     {
-        $attributes = array_merge($data['_attributes'], $data);
-        unset($attributes['_attributes']);
+        if (isset($this->attributes)) {
+            $data = array_merge($this->attributes->all(), $data);
+        }
 
-        $this->attributes = new ComponentAttributes($attributes);
+        $this->attributes = new ComponentAttributes($data);
 
         return [];
     }