Generate fstab from /mnt and use label to prevent incorrect UUID issue.

UUIDs always differ, use labels since we utilize them in formatting

scripts/0-preinstall.sh

@@ -147,6 +147,12 @@ pacstrap /mnt base base-devel linux linux-firmware vim nano sudo archlinux-keyri
 echo "keyserver hkp://keyserver.ubuntu.com" >> /mnt/etc/pacman.d/gnupg/gpg.conf
 cp -R ${SCRIPT_DIR} /mnt/root/ArchTitus
 cp /etc/pacman.d/mirrorlist /mnt/etc/pacman.d/mirrorlist
+
+genfstab -L /mnt >> /mnt/etc/fstab
+echo " 
+  Generated /etc/fstab:
+"
+cat /mnt/etc/fstab
 echo -ne "
 -------------------------------------------------------------------------
                     GRUB BIOS Bootloader Install & Check

scripts/3-post-setup.sh

@@ -16,11 +16,6 @@ Final Setup and Configurations
 GRUB EFI Bootloader Install & Check
 "
 source ${HOME}/ArchTitus/configs/setup.conf
-genfstab -U -p / >> /etc/fstab
-echo " 
-  Generated /etc/fstab:
-"
-cat /etc/fstab
 
 if [[ -d "/sys/firmware/efi" ]]; then
     grub-install --efi-directory=/boot ${DISK}