make use of setsid(1)'s -f flag (#652)

Co-authored-by: Luke Smith <luke@lukesmith.xyz>

.local/bin/statusbar/memory

@@ -2,7 +2,7 @@
 
 case $BLOCK_BUTTON in
 	1) notify-send "🧠 Memory hogs" "$(ps axch -o cmd:15,%mem --sort=-%mem | head)" ;;
-	2) setsid "$TERMINAL" -e htop & ;;
+	2) setsid -f "$TERMINAL" -e htop ;;
 	3) notify-send "🧠 Memory module" "\- Shows Memory Used/Total.
 - Click to show memory hogs.
 - Middle click to open htop." ;;