Fix args for lock-screen.sh

lock-screen.sh

@@ -1,18 +1,20 @@
 #!/usr/bin/env zsh
 
 local i3lock_args=()
+let image_index=1
 
 for arg; do
     case "${arg}"; in
     --no-empty-pass|-e)
         i3lock_args+=(-e)
+        image_index+=1
         ;;
     esac
 done
 
 dunstctl set-paused true
 xset dpms 0 0 15
-i3lock ${i3lock_args} -n -i "$1"
+i3lock ${i3lock_args} -n -i "${@[${image_index}]}"
 xset -dpms
 dunstctl set-paused false
 mailnag &