No need to leave HDD in WBFS format for most Wii Loaders anymore - so convert your WBFS HDD to fat32 - then LB can see the files you want to import.
download and use this tool. It converts the drive WITHOUT LOSING YOUR GAMES !!
use this link to download the WBFS2FAT app. https://gbatemp.net/threads/how-to-convert-from-wbfs-to-fat32-or-ntfs.292391/