I would have tried to expand the categories tab, but for some reason, the two main menus and the category menu were changed. Could you help me why this is? and how can it be set?
Navigate to WoodMart > Header builder > edit default header (highlighted star icon) or you can go through the admin bar directly https://prnt.sc/Ct9ehRDvvDV9.
Switch to Mobile tab, hover on Mobile menu element, click on Pencil icon and scroll down to Category section > and select categories menu. Also make sure that you are adding the menu items in the category menu.