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sudo mkfs.vfat -F32 /dev/nvme0n1p4

sudo mkdir -p /mnt/old_efi /mnt/new_efi
sudo mount /dev/sdb1 /mnt/old_efi
sudo mount /dev/nvme0n1p4 /mnt/new_efi
sudo cp -r /mnt/old_efi/EFI/Microsoft /mnt/new_efi/EFI/

sudo cp -r /mnt/old_efi/EFI/* /mnt/new_efi/EFI/

sudo umount /mnt/old_efi /mnt/new_efi

sudo update-grub