fix(studio): render complete interactive gallery previews

packages/ui/components/switch.wrn

@@ -52,7 +52,8 @@ component Switch {
       height: 1.375rem;
       margin: 0;
       border: 1px solid color-mix(in srgb, var(--wrn-color-border-strong, var(--wrn-color-border)) 70%, transparent);
-      border-radius: 999px;
+      /* A switch track keeps its semantic pill geometry, including older themes. */
+      border-radius: 999px !important;
       background: var(--wrn-color-surface-muted, var(--wrn-color-surface-2));
       box-shadow: inset 0 1px 2px rgb(0 0 0 / 0.1);
       cursor: pointer;