fix(TreeSelect): should not render empty nav (#4663)

src/tree-select/index.tsx

@@ -56,7 +56,9 @@ function TreeSelect(
       : activeId === id;
   }
 
-  const Navs = items.map(item => (
+  const Navs = items
+    .filter(item => item.text)
+    .map(item => (
       <SidebarItem
         dot={item.dot}
         info={item.info}