Centaur of Attention

Already completed this when it was patched in, none of the achievement mounts have been rewarded

Mounts related to A World Awoken in Dragonflight:

1. 
   
2. [item=211862]: Flight Club
3. 
   
4. [item=192788]: Army of the Fed
5. 
   
6. [item=192792]: Centaur of Attention
7. 
   
8. [item=192765]: Closing Time
9. 
   
10. [item=198822]: Wake Me Up
11. 
    
12. [item=192774]: Into the Storm
13. 
    
14. [item=192751]: Across the Isles
15. 
    
16. Calescent Shalewing: Que Zara(lek), Zara(lek)
17. 
    
18. Taivan ([item=210142]): A World Awoken
19. 
    

I just finished it after the patch and I did not get the reward either