Admin : Add key the event selection not shows properly

If there is no event available then the select for not looks proper 

<img width="1804" height="906" alt="Image" src="https://github.com/user-attachments/assets/49be255f-112e-4ffb-a79f-c4d5915ed427" />

If event are there then it is shows properly

<img width="1300" height="585" alt="Image" src="https://github.com/user-attachments/assets/998591e6-7d97-4b71-9de0-73977639ecca" />