sketchybar: use drawing directly instead of individual options

instead of using background.drawing and label.drawing to change
visiblity, now just use the drawing option instead.

stow/.config/sketchybar/sketchybarrc

@@ -79,14 +79,14 @@ sketchybar --add item music left \
       click_script="osascript -e 'tell application \"Music\" to playpause'" \
 			background.padding_right=0 \
 			background.padding_left=0 \
-      background.drawing=false \
+      drawing=false \
       scroll_texts=1 \
       label.max_chars=50 \
       label.scroll_duration=500 \
       background.color=$PRIMARY_COLOUR \
       icon.color=$BACKGROUND_COLOUR \
       label.color=$BACKGROUND_COLOUR \
-      icon.drawing=false
+      drawing=false
 
 #
 # Adding Right Items