disable the link at level 1 menu on mobile
Theme Name: PR, (https://themes.muffingroup.com/be/pr/)
When: it is responsive on a mobile device. when clicking on a main-menu item.
Desc: this main-menu item is only a name. It is not linking to any page, clicking on this item should toggle the submenu.
problem: click on this no-page menu item will trigger the current page refresh, but it is supposed to open the submenu. This issue is not discovered in desktop mode.