fix: add missing Lumo style.js import (#9605) (#9606)

Co-authored-by: Sergey Vinogradov <[email protected]>

Author: vaadin-bot

packages/master-detail-layout/test/visual/lumo/screenshots/master-detail-layout/baseline/ltr-overlay-dark.png

@@ -1,4 +1,5 @@
 import '@vaadin/vaadin-lumo-styles/color.js';
+import '@vaadin/vaadin-lumo-styles/style.js';
 import { css, registerStyles } from '@vaadin/vaadin-themable-mixin/vaadin-themable-mixin.js';
 
 registerStyles(