[Site] Fix infinite demo CS

ux.symfony.com/src/Service/EmojiCollection.php

@@ -2,17 +2,14 @@
 
 namespace App\Service;
 
-use IteratorAggregate;
-use Traversable;
-
 /**
  * Collection of emojis used in demos.
  *
- * @implements IteratorAggregate<string>
+ * @implements \IteratorAggregate<string>
  *
  * @internal
  */
-final class EmojiCollection implements IteratorAggregate, \Countable
+final class EmojiCollection implements \IteratorAggregate, \Countable
 {
     private array $emojis;
 
@@ -23,17 +20,17 @@ public function __construct(array $emojis = [])
 
     public function paginate(int $page, int $perPage): self
     {
-        return new self(array_slice($this->emojis, ($page - 1) * $perPage, $perPage));
+        return new self(\array_slice($this->emojis, ($page - 1) * $perPage, $perPage));
     }
 
-    public function getIterator(): Traversable
+    public function getIterator(): \Traversable
     {
         return new \ArrayIterator($this->emojis);
     }
 
     public function count(): int
     {
-        return count($this->emojis);
+        return \count($this->emojis);
     }
 
     private function loadEmojis(): array

ux.symfony.com/src/Service/LiveDemoRepository.php

@@ -41,7 +41,7 @@ public function findAll(): array
                 route: 'app_demo_live_component_infinite_scroll',
                 longDescription: <<<EOF
 Infinite scroll allows users to continuously load content as they scroll down the page.
-<br><code>Part One</code> of this demo shows how to <code>append new items</code> to the page with a <a href="/live-component"><code>LiveComponent</code></a>.  
+<br><code>Part One</code> of this demo shows how to <code>append new items</code> to the page with a <a href="/live-component"><code>LiveComponent</code></a>.
 EOF,
             ),
             new LiveDemo(

ux.symfony.com/src/Twig/ProductGrid.php

@@ -54,7 +54,7 @@ public function getItems(): array
             $items[] = [
                 'id' => $id = ($this->page - 1) * self::PER_PAGE + $i,
                 'emoji' => $emoji,
-                'color' => $colors[$id % count($colors)],
+                'color' => $colors[$id % \count($colors)],
             ];
         }