You mean another horizontal bracing frame above the metal legs? Dunno le
Actually, I'd get table legs similar to the one I posted above - then if you want a horizontal support, get a perforated metal thing from those shelving agencies. Then screw on your top wooden / laminated board. Don't think it will give additional support though.
https://www.amazon.sg/s?k=desk+frame There are some of those standing desks with the horizontal support bar - however, not sure if they are wobbly or not cos the legs look like the Ikea table you linked first