[Bug] Mobile hamburger menu close button does not work

Environment

• VosCMS 2.3.7
• iPhone 15 Pro / Safari (iOS 17)

Steps to reproduce

1. Open the site in mobile Safari
2. Tap the hamburger icon at top-right → menu slide panel opens
3. Tap the X button at the top-right of the panel

Expected: panel should close.

Actual: the X button does not respond and the menu stays open. Tapping outside the overlay does close it.