Add stacked links menu item variant

styles/10-components-interactive-elements.css

@@ -155,6 +155,16 @@
       background: var(--surface-tab-compact-background);
     }
 
+    .sg-tab-button-group[data-component-variant="linksmenu-items"] {
+      flex-direction: column;
+      align-items: stretch;
+      width: 100%;
+    }
+
+    .sg-tab-button-group[data-component-variant="linksmenu-items"] .sg-tab-button {
+      width: 100%;
+    }
+
     .sg-tab-button-group[data-component-context="content"] {
       background: var(--surface-tab-compact-background);
     }