Your kextcache output proves kexts are not installed correctly.
All kexts you need must be installed to the system volume.
Read post #2 of the Clover guide for details:
https://www.tonymacx86.com/threads/guide-booting-the-os-x-installer-on-laptops-with-clover.148093/
Note also you installed AppleBacklightInjector.kext incorrectly:
Kext rejected due to improper filesystem permissions: <OSKext 0x7fe976d77c00 [0x7fffa7731af0]> { URL = "AppleBacklightInjector.kext/ -- file:///Library/Extensions/", ID = "org.rehabman.injector.AppleBacklightInjector" }
See FAQ for proper kext installation procedures:
https://www.tonymacx86.com/threads/faq-read-first-laptop-frequent-questions.164990/