WK303_24G_First_PBKey_2ch:将pb键检测改为原先的经过消抖处理,避免其他按键按下时导致的模式切换;

Review Request #4821 — Created Aug. 25, 2022 and updated Aug. 25, 2022, 5:09 p.m. — Latest diff uploaded Aug. 25, 2022, 5:07 p.m.