Ok we need a much earlier log here.
Download the attached zip & extract it
Flash it in fastboot mode
exec:
and directly after that - while the phone boots up, this wait command for adb:
Grab the boot log:
Let it run until Android has been fully booted. Ensure you turn off WiFi and on again.
Then CTRL +C the logcat command first
Get it:
and share it. if paste.omnirom.org does not work for you use on one of the billions other paste services. Here some examples:
https://wiki.ubuntu.com/Pastebin
Note:
You are running an insecure kernel now which will likely allow WiFi to work but I need the above log to make it work in the secure one.
Download insecure Kernel:
https://en.wikipedia.org/wiki/LineageOS
as mentioned that has been fixed already. will be included in next build.
.-