F_Panel Connector Block Issue

I am building my first PC, and everything has been going fine, except I’m running into an issue with my case and motherboard combo. My case is an NZXT H7 Flow, which came pre-installed with a 9-pin F_Panel connector.

My ASUS ROG STRIX Z790-E Gaming WiFi has 20 pin layout.

I’ve searched high and low though all my boxes and cables, and I have no individual F_Panel connectors for power / led and all that.

How do I resolve this?

Thank you for any advice.