Add clientId to jsonMqtt in settings.h

src/config/settings.h

@@ -606,6 +606,7 @@ class settings {
             if(set) {
                 obj[F("broker")]   = mCfg.mqtt.broker;
                 obj[F("port")]     = mCfg.mqtt.port;
+                obj[F("clientId")] = mCfg.mqtt.clientId;
                 obj[F("user")]     = mCfg.mqtt.user;
                 obj[F("pwd")]      = mCfg.mqtt.pwd;
                 obj[F("topic")]    = mCfg.mqtt.topic;
@@ -616,6 +617,7 @@ class settings {
                 getVal<uint16_t>(obj, F("intvl"), &mCfg.mqtt.interval);
                 getChar(obj, F("broker"), mCfg.mqtt.broker, MQTT_ADDR_LEN);
                 getChar(obj, F("user"), mCfg.mqtt.user, MQTT_USER_LEN);
+                getChar(obj, F("clientId"), mCfg.mqtt.clientId, MQTT_CLIENTID_LEN);
                 getChar(obj, F("pwd"), mCfg.mqtt.pwd, MQTT_PWD_LEN);
                 getChar(obj, F("topic"), mCfg.mqtt.topic, MQTT_TOPIC_LEN);
             }