MC-29026: GraphQL returns filters with some data if you making request to not existing or empty category

Author: Oleksandr Iegorov

app/code/Magento/CatalogGraphQl/Model/Resolver/Layer/DataProvider/Filters.php

@@ -88,10 +88,13 @@ private function isNeedToAddFilter(AbstractFilter $filter, array $attributesToFi
             if ($filter->hasAttributeModel()) {
                 $filterAttribute = $filter->getAttributeModel();
                 $result = in_array($filterAttribute->getAttributeCode(), $attributesToFilter);
-            } elseif (!empty($this->mappings[$filter->getName()])) {
-                $result = in_array($this->mappings[$filter->getName()], $attributesToFilter);
             } else {
-                $result = false;
+                $name = (string)$filter->getName();
+                if (array_key_exists($name, $this->mappings)) {
+                    $result = in_array($this->mappings[$name], $attributesToFilter);
+                } else {
+                    $result = false;
+                }
             }
         }
         return $result;

app/code/Magento/SwatchesGraphQl/Plugin/Filters/DataProviderPlugin.php

@@ -61,7 +61,7 @@ public function __construct(
      * phpcs:disable Generic.Metrics.NestingLevel
      */
     public function aroundGetData(
-        Flters $subject,
+        Filters $subject,
         \Closure $proceed,
         string $layerType,
         $attributesToFilter = null