Use connected bluetooth icon when appropriate

Closes #3274
Co-authored-by: @vander00

config/waybar/config.jsonc

@@ -100,7 +100,7 @@
   "bluetooth": {
     "format": "",
     "format-disabled": "󰂲",
-    "format-connected": "",
+    "format-connected": "󰂱",
     "format-no-controller": "",
     "tooltip-format": "Devices connected: {num_connections}",
     "on-click": "omarchy-launch-bluetooth"