fix(docs): show version selection dropdown on mobile (#15894)

change-className-and-add-css-to-show-versions-on-mobile

docs/src/css/custom.css

@@ -75,6 +75,11 @@ div[class^='announcementBar_'] {
   font-weight: 500;
 }
 
+/* workaround for version switcher PR 15894 */
+div[class*='navbar__items'] > li:has(a[class*='version-switcher-34ab39']) {
+  display: none;
+}
+
 code {
   font-weight: 600;
 }