ENGCOM-7144: #26708 Fix: ORDER BY has two similar conditions in the SQL query #27263

 - Merge Pull Request #27263 from vasilii-b/magento2:26708-order-by-sql-select-duplicated
 - Merged commits:
   1. 1e1ebd3
   2. df35dda
   3. b816334
   4. a61d92a

Author: magento-engcom-team

app/code/Magento/Catalog/Block/Product/ListProduct.php

@@ -355,6 +355,7 @@ public function getIdentities()
         }
 
         foreach ($this->_getProductCollection() as $item) {
+            // phpcs:ignore Magento2.Performance.ForeachArrayMerge
             $identities = array_merge($identities, $item->getIdentities());
         }
 
@@ -475,8 +476,6 @@ private function initializeProductCollection()
             $layer->setCurrentCategory($origCategory);
         }
 
-        $this->addToolbarBlock($collection);
-
         $this->_eventManager->dispatch(
             'catalog_block_product_list_collection',
             ['collection' => $collection]

app/code/Magento/Catalog/Test/Unit/Block/Product/ListProductTest.php

@@ -187,10 +187,6 @@ public function testGetIdentities()
             ->method('getProductCollection')
             ->will($this->returnValue($this->prodCollectionMock));
 
-        $this->layoutMock->expects($this->once())
-            ->method('getBlock')
-            ->will($this->returnValue($this->toolbarMock));
-
         $this->assertEquals(
             [$categoryTag, $productTag],
             $this->block->getIdentities()