An LVM Volume Group (VG) does not have a mount point but a name. An LVM Logical Volume (LV) is what ends up being the partition which is actually mounted somewhere. It appears your Volume Group was named fedora_localhost_live by the installer. It’s derived from the hostname specified, something like fedora_<hostname>.
The name of the VG is not an issue as long as you’re not moving around hard drives. You can actually change the name with vgrename. Be careful with it though, some boot time things might still have the old name noted in them, those would have to be updated as well. Most notably in /etc/default/grub among other places. I do not know which other places 