fix(iso): Start reflector once before first package install (#1)

setup.sh

@@ -18,6 +18,7 @@ function we_are_changerooted () {
 }
 
 function update_pacman_db () {
+    systemctl start reflector
     # In an ISO and for the minimal number of packages we need we do not
     # care about partial upgrades
     pacman -Sy
@@ -492,7 +493,6 @@ function main () {
             setup_zpool "${zfs_part}"
             mount_system
             copy_zpool_cache
-            systemctl start reflector
             install_archlinux
             gen_fstab
             set_hostname