Merge pull request #1598 from rbayet/fix_1581_admin_page_size_for_fil…

…terable_attr_list

Fixes #1581 Explicit fulltext collection page size

src/module-elasticsuite-catalog/Plugin/Ui/Category/Form/DataProviderPlugin.php

@@ -237,6 +237,7 @@ private function getAttributes($category)
             /** @var \Smile\ElasticsuiteCatalog\Model\ResourceModel\Product\Fulltext\Collection $fulltextCollection */
             $fulltextCollection = $this->fulltextCollectionFactory->create();
             $fulltextCollection->setStoreId($storeId)
+                ->setPageSize(1)
                 ->addFieldToFilter('category_ids', $this->getCategoryFilterParam($category));
 
             $attributeSetIds = array_keys($fulltextCollection->getFacetedData('attribute_set_id'));