feat(navbar): open dropdown on hover

shop/components/NavbarClient.tsx

@@ -136,10 +136,13 @@ export function NavbarClient({ user, role = "partner" }: NavbarClientProps) {
           <div className="h-4 w-px bg-white/10 mx-2" />
 
           {currentUser ? (
-            <div className="relative">
+            <div
+              className="relative"
+              onMouseEnter={() => setOpen(true)}
+              onMouseLeave={() => setOpen(false)}
+            >
               <Button
                 variant="outline"
-                onClick={() => setOpen(!open)}
                 className="border-white/10 hover:bg-white/5 gap-2 text-white"
               >
                 <UserIcon className="w-4 h-4 text-primary" />