Ticket #49245: 49245.patch

src/wp-admin/css/nav-menus.css

@@ -896 +896 @@
                 margin: 0.5em 0;
         }
 
+        .manage-menus .button {
+                margin-bottom: 0;
+        }
+
         .widefat .menu-locations .menu-location-title {
                 padding-top: 16px;
         }