B2B-2469: Improve category children loading

- style fix

Author: rganin

app/code/Magento/CatalogGraphQl/Model/Category/CategoryFilter.php

@@ -84,6 +84,7 @@ public function getResult(array $criteria, StoreInterface $store, array $attribu
             ->columns(
                 'e.entity_id'
             );
+        $collection->setOrder('entity_id');
 
         $categoryIds = $collection->load()->getLoadedIds();
 

app/code/Magento/CatalogGraphQl/Model/Resolver/Products/DataProvider/CategoryTree.php

@@ -35,11 +35,6 @@
  */
 class CategoryTree
 {
-    /**
-     * In depth we need to calculate only children nodes, so the first wrapped node should be ignored
-     */
-    private const DEPTH_OFFSET = 1;
-
     /**
      * @var CollectionFactory
      */
@@ -55,11 +50,6 @@ class CategoryTree
      */
     private $depthCalculator;
 
-    /**
-     * @var LevelCalculator
-     */
-    private $levelCalculator;
-
     /**
      * @var MetadataPool
      */
@@ -74,22 +64,19 @@ class CategoryTree
      * @param CollectionFactory $collectionFactory
      * @param AttributesJoiner $attributesJoiner
      * @param DepthCalculator $depthCalculator
-     * @param LevelCalculator $levelCalculator
      * @param MetadataPool $metadata
      * @param CollectionProcessorInterface $collectionProcessor
      */
     public function __construct(
         CollectionFactory $collectionFactory,
         AttributesJoiner $attributesJoiner,
         DepthCalculator $depthCalculator,
-        LevelCalculator $levelCalculator,
         MetadataPool $metadata,
         CollectionProcessorInterface $collectionProcessor
     ) {
         $this->collectionFactory = $collectionFactory;
         $this->attributesJoiner = $attributesJoiner;
         $this->depthCalculator = $depthCalculator;
-        $this->levelCalculator = $levelCalculator;
         $this->metadata = $metadata;
         $this->collectionProcessor = $collectionProcessor;
     }