first use a full Olarila efi folder. i dont understand why u change olarila ssdt for two ssdt with basic
apply ur video patch and change smbios to iMac17,1
add bootargs igfxonln=1 and agdpmod=vit9696
https://www.transfernow.net/dl/20211027T69wXLUM
remap ur usb
https://www.olarila.com/topic/14220-video-guide-usb-port-mapping-guide-2021-mojave-catalina-bigsur-monterey/