i3-companion: also listen to new interfaces to get battery status

bin/i3-companion

@@ -790,9 +790,16 @@ async def bluetooth_notifications(i3, event, path, interface, changed, invalid):
             and "Percentage" in args[1]
         ),
     ),
+    DBusSignal(
+        path="/org/bluez",
+        interface="org.freedesktop.DBus.ObjectManager",
+        member="InterfacesAdded",
+        signature="oa{sa{sv}}",
+        onlyif=lambda args: ("org.bluez.Battery1" in args[1]),
+    ),
 )
 @retry(2)
-@debounce(4)
+@debounce(1)
 @polybar("bluetooth")
 async def bluetooth_status(i3, event, *args):
     """Update bluetooth status for Polybar."""