fix bug of loop ready kick

ygopro-server.coffee

@@ -2890,6 +2890,7 @@ ygopro.stoc_follow 'HS_PLAYER_CHANGE', true, (buffer, info, client, server, data
       if room.waiting_for_player != room.waiting_for_player2
         room.waiting_for_player2 = room.waiting_for_player
         room.waiting_for_player_time = settings.modules.arena_mode.ready_time
+        if !room.waiting_for_player_interval
           room.waiting_for_player_interval = setInterval (()-> wait_room_start_arena(ROOM_all[client.rid]);return), 1000
       else if !room.waiting_for_player and room.waiting_for_player_interval
         clearInterval room.waiting_for_player_interval

ygopro-server.js

@@ -3807,9 +3807,11 @@
         if (room.waiting_for_player !== room.waiting_for_player2) {
           room.waiting_for_player2 = room.waiting_for_player;
           room.waiting_for_player_time = settings.modules.arena_mode.ready_time;
+          if (!room.waiting_for_player_interval) {
             room.waiting_for_player_interval = setInterval((function() {
               wait_room_start_arena(ROOM_all[client.rid]);
             }), 1000);
+          }
         } else if (!room.waiting_for_player && room.waiting_for_player_interval) {
           clearInterval(room.waiting_for_player_interval);
           room.waiting_for_player_interval = null;