Kickstart_kernel_options template: undefined method `nic_delay' for false:FalseClass

The default kickstart_kernel_options is not rendering any more
Expected outcome:
Template renders

Foreman and Proxy versions:

Foreman and Proxy plugin versions:

Distribution and version:
Rocky Linux 8.9

Other relevant data:
In line 149 of the template:

nic_delay = subnet4&.nic_delay || subnet6&.nic_delay

Is this a typo? It becomes false. The old init works for me:

nic_delay = subnet4 ? subnet4.nic_delay : nil

I went ahead and opened an issue. The fix is to revert the line.