Github #31984: fix for array offset bug during some 404s (PHP 7.4)

Author: erfanimani

app/code/Magento/CatalogUrlRewrite/Model/Storage/DynamicStorage.php

@@ -179,13 +179,16 @@ private function findProductRewriteByRequestPath(array $data): ?array
             unset($data[UrlRewrite::IS_AUTOGENERATED]);
             $categoryFromDb = $this->connection->fetchRow($this->prepareSelect($data));
 
+            if ($categoryFromDb === false) {
+                return null;
+            }
+
             if ($categoryFromDb[UrlRewrite::REDIRECT_TYPE]) {
                 $productFromDb[UrlRewrite::REDIRECT_TYPE] = OptionProvider::PERMANENT;
                 $categoryPath = str_replace($categorySuffix, '', $categoryFromDb[UrlRewrite::TARGET_PATH]);
             }
 
-            if ($categoryFromDb === false
-                || !$productResource->canBeShowInCategory(
+            if (!$productResource->canBeShowInCategory(
                     $productFromDb[UrlRewrite::ENTITY_ID],
                     $categoryFromDb[UrlRewrite::ENTITY_ID]
                 )