#20409 Fixed Unnecessary slash in namespace

Author: milindsingh

app/code/Magento/CatalogInventory/etc/di.xml

@@ -111,7 +111,7 @@
             <argument name="batchSizeManagement" xsi:type="object">Magento\CatalogInventory\Model\Indexer\Stock\BatchSizeManagement</argument>
         </arguments>
     </type>
-    <type name="\Magento\Framework\Data\CollectionModifier">
+    <type name="Magento\Framework\Data\CollectionModifier">
         <arguments>
             <argument name="conditions" xsi:type="array">
                 <item name="stockStatusCondition" xsi:type="object">Magento\CatalogInventory\Model\ProductCollectionStockCondition</item>