refactor(mqtt): 使用MqttManager中的MQTT_TOPIC_COMMAND常量

将订阅主题从CommonConfig.MQTT_TOPIC_COMMAND改为MqttManager.MQTT_TOPIC_COMMAND

app/src/main/java/com/ttstd/dialer/base/BaseApplication.java

@@ -136,7 +136,7 @@ public class BaseApplication extends Application {
             // 初始化 MQTT 并连接 Broker
             MqttManager.init(this);
             MqttManager.getInstance().connect();
-            MqttManager.getInstance().subscribe(CommonConfig.MQTT_TOPIC_COMMAND, 1);
+            MqttManager.getInstance().subscribe(MqttManager.MQTT_TOPIC_COMMAND, 1);
             SherpaOnnxTtsManager.getInstance().init(this);
             AlarmManagerHelper.rescheduleAllAlarms(this);