Prevent click-outside from losing children refs (#626)

fix(site): prevent click-outside to close children ref
* feat: Add forwardRef for compatibility
* fix(site): remove asChild for dropdown Fragment

Co-authored-by: Dom Sip <dom@vercel.com>

site/components/common/UserNav/UserNav.tsx

@@ -69,7 +69,7 @@ const UserNav: React.FC<{
         {process.env.COMMERCE_CUSTOMERAUTH_ENABLED && (
           <li className={s.item}>
             <Dropdown>
-              <DropdownTrigger asChild>
+              <DropdownTrigger>
                 <button
                   aria-label="Menu"
                   className={s.avatarButton}