Fixup keyboard layout note in i3staplus after switching font

dotfiles/config/i3/bin/i3staplus

         us) color='' ;;
         *)  color=',"color": "#ff0000"' ;;
     esac
-    printf '{"full_text": " %s"%s},' \
+    printf '{"full_text": "  %s"%s},' \
         "$layout" "$color"
 }