Changed layout name according to the new controller name

Author: bohdan-harniuk

src/com/magento/idea/magento2plugin/actions/generation/dialog/NewEntityDialog.java

@@ -809,7 +809,7 @@ private void generateGridLayoutFile() {
                 getRoute(),
                 getModuleName(),
                 getEntityName(),
-                "Listing",
+                AdminListViewActionFile.CLASS_NAME,
                 getGridName()
         ), project).generate(ACTION_NAME, false);
     }