chore(FIX): fixed nerdfont xmobar deprecated icons

.config/xmobar/scripts/bluetooth.sh

@@ -2,14 +2,14 @@
 
 regex="([0-9A-Z]*:)+"
 DEVICES=$(bluetoothctl devices)
-ICON=""
+ICON="󰂲"
 COLOR="#696B71"
 for DEVICE in $DEVICES
 do
     if [[ $DEVICE =~ $regex ]]; then
         STATUS=$(bluetoothctl info $DEVICE | grep "Connected" | awk '{print $2}')
         if [ $STATUS = "yes" ]; then
-            ICON=""
+            ICON="󰂱"
             COLOR="#DFDFDF"
         fi
     fi