system-info: Always have a space before battery %age

system-info/system-info-WSL.sh

@@ -39,7 +39,7 @@ while true; do
     | sed 's/\r//')
   if [ "" != "$raw_battery" ]; then
     battery="$(echo $raw_battery | awk '$battery ~ /.*/ {
-      printf "%3d%% %s\n", $battery, substr("", int($battery / 9), 1)
+      printf " %d%% %s\n", $battery, substr("", int($battery / 9), 1)
     }')"
   fi