Use containerMenu as a base for HintMenu instead of regular menu

Change-Id: Ic1ed2e216a9c61aabf1f1cac41972b1a4e96a91a
diff --git a/dev/js/src/hint/prefix.js b/dev/js/src/hint/prefix.js
index 1a673f8..7f4d300 100644
--- a/dev/js/src/hint/prefix.js
+++ b/dev/js/src/hint/prefix.js
@@ -18,6 +18,7 @@
       const m = this.menu();
       const value = this.value();
       const h = m.hint();
+
       h.inputField().insert(value);
       h.active(null);
       m.hide();