No, the horn is in the middle, the capacitive horn only steering wheel existed on early builds of the model S refresh (when plaid was first released), but after ~6 months they added the normal horn back.
https://www.tesla.com/ownersmanual/model3/en_us/GUID-DEB259C...
https://www.tesla.com/ownersmanual/models/en_us/GUID-DEB259C...