MC-30738: Stock sorting doesn't work with table prefix

Author: omiroshnichenko

app/code/Magento/CatalogInventory/Model/Source/Stock.php

@@ -42,7 +42,7 @@ public function getAllOptions()
     public function addValueSortToCollection($collection, $dir = \Magento\Framework\Data\Collection::SORT_ORDER_DESC)
     {
         $collection->getSelect()->joinLeft(
-            ['stock_item_table' => 'cataloginventory_stock_item'],
+            ['stock_item_table' => $collection->getTable('cataloginventory_stock_item')],
             "e.entity_id=stock_item_table.product_id",
             []
         );

app/code/Magento/CatalogInventory/Test/Unit/Model/Source/StockTest.php

@@ -25,6 +25,7 @@ public function testAddValueSortToCollection()
         $selectMock = $this->createMock(\Magento\Framework\DB\Select::class);
         $collectionMock = $this->createMock(\Magento\Eav\Model\Entity\Collection\AbstractCollection::class);
         $collectionMock->expects($this->atLeastOnce())->method('getSelect')->willReturn($selectMock);
+        $collectionMock->expects($this->atLeastOnce())->method('getTable')->willReturn('cataloginventory_stock_item');
 
         $selectMock->expects($this->once())
             ->method('joinLeft')