Fix overlay layer for pulldown and sandwich panels

styles/10-components-interactive-elements.css

@@ -934,7 +934,7 @@
       border: var(--border-none);
       border-radius: var(--radius-card);
       box-shadow: var(--shadow-overlay);
-      z-index: 1;
+      z-index: var(--layer-pulldown-panel);
     }
 
     .sg-sandwich-menu-wrap[data-component-size="default"] .sg-sandwich-menu-panel {
@@ -1353,4 +1353,3 @@
       color: var(--text-hyperlink);
       text-decoration: none;
     }
-