Since you have been away the ZwiftPower category calculations have changed and now become Category Enforced metrics.
What you are seeing on your ZwiftPower profile page is the up to date information. Notice you are looking at zFTP which is your new racing metric and therefore racing category.
You have recently had a very strong ramp test. In the old days your race category was only based on your ZwiftPower recorded numbers, now it is all riding on Zwift.
Have a read of the first post on each of these two early 2023 posts by Zwift.