fix: seed content images onto active filesystem disk

ContentSeeder always wrote to public; preview/prod use r2 so
URLs pointed at empty media host. Put fixtures on PublicImageUploadRules disk.

database/seeders/ContentSeeder.php

@@ -8,6 +8,7 @@ use App\Models\PortfolioCase;
 use App\Models\PortfolioImage;
 use App\Models\Service;
 use App\Models\SiteSetting;
+use App\Support\PublicImageUploadRules;
 use Illuminate\Database\Seeder;
 use Illuminate\Support\Carbon;
 use Illuminate\Support\Facades\File;
@@ -174,7 +175,9 @@ class ContentSeeder extends Seeder
     private function copyFixture(string $fixtureName, string $destination): string
     {
         $source = base_path('database/fixtures/images/'.$fixtureName);
-        Storage::disk('public')->put($destination, File::get($source));
+        $disk = PublicImageUploadRules::disk();
+
+        Storage::disk($disk)->put($destination, File::get($source), 'public');
 
         return $destination;
     }