fix categores list

Author: landofcoder

Model/Resolver/Categories.php

@@ -79,10 +79,13 @@ public function resolve(
         }
         $searchResult = $this->categoryInterface->getList($searchCriteria, $search);
         $totalPages = $args['pageSize'] ? ((int)ceil($searchResult->getTotalCount() / $args['pageSize'])) : 0;
-
+        $items = [];
+        foreach ($searchResult->getItems() as $_item) {
+            $items[] = $_item->toArray();
+        }
         return [
             'total_count' => $searchResult->getTotalCount(),
-            'items' => $searchResult->getItems(),
+            'items' => $items,
             'page_info' => [
                 'page_size' => $args['pageSize'],
                 'current_page' => $args['currentPage'],

Model/Resolver/CategoryImageResolver.php

@@ -59,17 +59,11 @@ public function __construct(
     }
 
     /**
-     * @param Field $field
-     * @param ContextInterface $context
-     * @param ResolveInfo $info
-     * @param array|null $value
-     * @param array|null $args
-     * @return array|Value|mixed
-     * @throws LocalizedException
+     * @inheritDoc
      */
     public function resolve(Field $field, $context, ResolveInfo $info, array $value = null, array $args = null)
     {
-        if (isset($value['image']) && $value['image']) {
+        if (is_array($value) && isset($value['image']) && $value['image']) {
             return $this->_storeManager->getStore()->getBaseUrl(
                     \Magento\Framework\UrlInterface::URL_TYPE_MEDIA
                 ) . $value['image'];

Model/Resolver/CategoryQuestionResolver.php

@@ -50,13 +50,7 @@ public function __construct(
     }
 
     /**
-     * @param Field $field
-     * @param ContextInterface $context
-     * @param ResolveInfo $info
-     * @param array|null $value
-     * @param array|null $args
-     * @return array|Value|mixed
-     * @throws \Magento\Framework\Exception\LocalizedException
+     * @inheritDoc
      */
     public function resolve(Field $field, $context, ResolveInfo $info, array $value = null, array $args = null)
     {