Black screen after verbose boot & can't disable CFG lock - Dell 3070 9500T

I'm trying to create a Sonoma hackintosh on a Dell 3070 - 9500T (no dGPU) and I get a black screen after verbose boot. I tried going through a few guides to disabling CFG lock since that was mentioned a few times, however, the guide to do that script is failing for me. I followed the dortania guide to make my own EFI

config.plist pastebin

verbose log pastebin

When I try to use the bios extractor tool for Dell, I get an error from the script about a missing module 'common.checksums' and this persists for all the modules declared in the script. Trying to install it didn't help, I get en error 'could not find a version that satisfies the requirement' and this happens on both Mac and Windows.

Not sure if there's anything else I might be missing in the current setup outside of the CFG lock that could be the issue. And what I can do to fix the script issue

submitted by /u/Frosty_Hedgehog_6083
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