Test this with procedure bellow https://limewire.com/d/N1a6X#UwlAhw9ik0
-Delete old EFI folder and paste new then empty trash. Don't use merge files.
-Don't use Drag and Drop into EFI partition. Use Copy/Paste instead.
-Reset NVRAM one time - with OpenCore use entry "Reset Nvram" / with Clover use F11 key on boot screen.