[3453603] Add default provider and allow the user to choose another one. Later...

[3453603] Add default provider and allow the user to choose another one. Later they could override the model and evetything here too.

modules/ai_api_explorer/src/Form/ChatGenerationForm.php

@@ -14,6 +14,7 @@ use Drupal\ai\Service\AiProviderFormHelper;
 use Drupal\Core\Form\FormBase;
 use Drupal\Core\Form\FormStateInterface;
 use Drupal\Core\Link;
+use Drupal\provider_openai\OpenAiChatMessageIterator;
 use Symfony\Component\DependencyInjection\ContainerInterface;
 use Symfony\Component\HttpFoundation\Response;
 use Symfony\Component\HttpFoundation\StreamedResponse;
@@ -217,7 +218,7 @@ class ChatGenerationForm extends FormBase {
         $image = "";
         if (isset($files['files']['image_' . $index])) {
           $raw_file = file_get_contents($files['files']['image_' . $index]->getPathname());
-          $image = new ImageFile($raw_file, $files['files']['image_' . $index]->getClientMimeType(), $files['files']['image_' . $index]->getClientOriginalName());
+          $image = new ImageFile($raw_file,  $files['files']['image_' . $index]->getClientMimeType(), $files['files']['image_' . $index]->getClientOriginalName());
         }
         if ($role && $message) {
           $images = [];