feat: add new-tab links and removable media previews (1.7.3)

src/Controller/MediaController.php

@@ -111,6 +111,15 @@ final class MediaController extends AbstractController
         return $this->json(['items' => $this->media->list(), 'csrfToken' => $this->csrf->getToken('media')->getValue()]);
     }
 
+    #[Route('/%kant.admin_path%/api/media/{id}', requirements: ['id' => '[a-f0-9]{32}'], methods: ['GET'])]
+    public function read(string $id): Response
+    {
+        $this->denyAccessUnlessGranted('ROLE_EDITOR');
+        $item = $this->media->find($id);
+
+        return null === $item ? $this->json(['error' => 'Bild nicht gefunden.'], 404) : $this->json(['item' => $item]);
+    }
+
     #[Route('/%kant.admin_path%/api/media/upload', methods: ['POST'])]
     #[Route('/%kant.admin_path%/api/media/{id}', requirements: ['id' => '[a-f0-9]{32}'], methods: ['POST'])]
     public function write(Request $request, ?string $id = null): Response