ENGCOM-3792: Fixed Incorrect position of grid header Design Configuration Grid #20024 #20072

 - Merge Pull Request #20072 from opencommerce/magento2:2.3-develop20024
 - Merged commits:
   1. 5acaa05
   2. de744ed

Author: magento-engcom-team

app/code/Magento/Backend/etc/module.xml

@@ -9,6 +9,7 @@
     <module name="Magento_Backend">
         <sequence>
             <module name="Magento_Directory"/>
+            <module name="Magento_Theme"/>
         </sequence>
     </module>
 </config>

app/code/Magento/Backend/view/adminhtml/ui_component/design_config_listing.xml

@@ -6,6 +6,7 @@
  */
 -->
 <listing xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:module:Magento_Ui:etc/ui_configuration.xsd">
+    <listingToolbar name="listing_top" />
     <columns name="design_config_columns">
         <column name="theme_theme_id" component="Magento_Ui/js/grid/columns/select" sortOrder="40">
             <settings>