Can't update ksystemlog configuration

On fedora 36, I want to change line limit in ksystemlog configuration with plasma-desktop. But ok and apply buttons in configuration dialog are always not available(grayed out). Is this bugs or blocked by security policy?

I’m not personally familiar with KDE, but found a couple links that might be helpful - it does sound like there are some pretty heavy security ‘fences’ around it, so it might involve more than running with the sudo command: