Added adjustments as per review

Author: Burlacu Vasilii

app/code/Magento/Catalog/Model/Config/LayerCategoryConfig.php

@@ -69,14 +69,12 @@ public function isCategoryFilterVisibleInLayerNavigation(
     /**
      * Get the current store ID
      *
-     * @return int|null
+     * @return int
+     *
+     * @throws NoSuchEntityException
      */
-    private function getStoreId(): ?int
+    private function getStoreId(): int
     {
-        try {
-            return (int) $this->storeManager->getStore()->getId();
-        } catch (NoSuchEntityException $e) {
-            return null;
-        }
+        return (int) $this->storeManager->getStore()->getId();
     }
 }

app/code/Magento/Catalog/Model/Layer/FilterList.php

@@ -48,26 +48,25 @@ class FilterList
     protected $filters = [];
 
     /**
-     * @var LayerCategoryConfig|null
+     * @var LayerCategoryConfig
      */
     private $layerCategoryConfig;
 
     /**
      * @param \Magento\Framework\ObjectManagerInterface $objectManager
      * @param FilterableAttributeListInterface $filterableAttributes
+     * @param LayerCategoryConfig $layerCategoryConfig
      * @param array $filters
-     * @param LayerCategoryConfig|null $layerCategoryConfig
      */
     public function __construct(
         \Magento\Framework\ObjectManagerInterface $objectManager,
         FilterableAttributeListInterface $filterableAttributes,
-        array $filters = [],
-        LayerCategoryConfig $layerCategoryConfig = null
+        LayerCategoryConfig $layerCategoryConfig,
+        array $filters = []
     ) {
         $this->objectManager = $objectManager;
         $this->filterableAttributes = $filterableAttributes;
-        $this->layerCategoryConfig = $layerCategoryConfig ?:
-            ObjectManager::getInstance()->get(LayerCategoryConfig::class);
+        $this->layerCategoryConfig = $layerCategoryConfig;
 
         /** Override default filter type models */
         $this->filterTypes = array_merge($this->filterTypes, $filters);

app/code/Magento/Catalog/etc/adminhtml/system.xml

@@ -140,7 +140,7 @@
             </group>
             <group id="layered_navigation">
                 <field id="display_category" translate="label" type="select" sortOrder="15" showInDefault="1" showInWebsite="1" showInStore="1" canRestore="1">
-                    <label>Display Category</label>
+                    <label>Display Category Filter</label>
                     <source_model>Magento\Config\Model\Config\Source\Yesno</source_model>
                 </field>
             </group>