i3-companion: just wait more for bluetooth device change

This way, we wait enough to get battery level. Signal from PulseAudio
cannot be captured for some reason. UPower does not send a signal for
the new battery. And Bluez does not either.

bin/i3-companion

@@ -743,18 +743,9 @@ async def bluetooth_notifications(i3, event, path, interface, changed, invalid):
             and "Percentage" in args[1]
         ),
     ),
-    DBusSignal(
-        path="/org/pulseaudio",
-        interface="org.freedesktop.DBus.Properties",
-        member="PropertiesChanged",
-        signature="sa{sv}as",
-        onlyif=lambda args: (
-            args[0] == "org.bluez.BatteryProvider1" and "Percentage" in args[1]
-        ),
-    ),
 )
 @retry(2)
-@debounce(1)
+@debounce(4)
 @polybar("bluetooth")
 async def bluetooth_status(i3, event, *args):
     """Update bluetooth status for Polybar."""