status/network: Fix a11y names for VPN connection menu items
Because of a forgotten super._sync() call in the VPN menu item, it never got its a11y name, so a screen reader was reporting that item only as a plain item without any label.
Because of a forgotten super._sync() call in the VPN menu item, it never got its a11y name, so a screen reader was reporting that item only as a plain item without any label.