Hello,

Mega menu market Product category menu is created in some alternative way using “Menu” element: https://prnt.sc/YTRtLiaQ2yT8

As you see a special menu “Aside” has been selected there: https://prnt.sc/8oyixmJmbZWj

You can download this demo to your staging site and reproduce the same settings.

If you have any questions please feel free to contact us.

Best Regards