Refactor bulk import functionality to make controller smaller (use services) add DTOs and use stimulus controllers on frontend

src/Services/InfoProviderSystem/DTOs/BulkSearchResultDTO.php

@@ -0,0 +1,32 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Services\InfoProviderSystem\DTOs;
+
+use App\Entity\Parts\Part;
+
+class BulkSearchResultDTO extends SearchResultDTO
+{
+    public function __construct(
+        SearchResultDTO $baseDto,
+        public readonly ?string $sourceField = null,
+        public readonly ?string $sourceKeyword = null,
+        public readonly ?Part $localPart = null,
+        public readonly int $priority = 1
+    ) {
+        parent::__construct(
+            provider_key: $baseDto->provider_key,
+            provider_id: $baseDto->provider_id,
+            name: $baseDto->name,
+            description: $baseDto->description,
+            category: $baseDto->category,
+            manufacturer: $baseDto->manufacturer,
+            mpn: $baseDto->mpn,
+            preview_image_url: $baseDto->preview_image_url,
+            manufacturing_status: $baseDto->manufacturing_status,
+            provider_url: $baseDto->provider_url,
+            footprint: $baseDto->footprint
+        );
+    }
+}