Replaced stream with bukkit.broadcast with permission check

src/main/java/com/alttd/afkdectector/MessageTimer.java

@@ -71,9 +71,7 @@ public class MessageTimer extends BukkitRunnable {
 						Placeholder.unparsed("afk_time", "" + afkPlayer.getafkTime())
 				);
 				Component message = MiniMessage.miniMessage().deserialize(Messages.AFKICKSTAFFMESSAGE.getMessage(), templates);
-				Bukkit.getOnlinePlayers().stream()
-						.filter(staff -> staff.hasPermission("afkdetector.notify"))
-						.forEach(staff -> staff.sendMessage(message));
+				Bukkit.broadcast(message, "afkdetector.notify");
 	        	cancel();
 	        }
     	} else {