merge magento/2.3-develop into magento-tsg/2.3-develop-pr22

Author: Magento CICD

app/code/Magento/UrlRewrite/Block/Catalog/Product/Edit.php

@@ -55,7 +55,7 @@ protected function _prepareLayoutFeatures()
         }
 
         if ($this->_getProduct()->getId()) {
-            $this->_addProductLinkBlock($this->_getProduct());
+            $this->_addProductLinkBlock();
         }
 
         if ($this->_getCategory()->getId()) {

app/code/Magento/Webapi/Model/Rest/Swagger/Generator.php

@@ -39,7 +39,7 @@ class Generator extends AbstractSchemaGenerator
     const UNAUTHORIZED_DESCRIPTION = '401 Unauthorized';
 
     /** Array signifier */
-    const ARRAY_SIGNIFIER = '[]';
+    const ARRAY_SIGNIFIER = '[0]';
 
     /**
      * Swagger factory instance.

lib/internal/Magento/Framework/Data/SearchResultProcessor.php

@@ -188,8 +188,8 @@ public function toArray($arrRequiredFields = [])
     }
 
     /**
-     * @param null $valueField
-     * @param null $labelField
+     * @param string|null $valueField
+     * @param string|null $labelField
      * @param array $additional
      * @return array
      */