Check for oktomqtt flag presence before uplinking to MQTT

src/mesh/Router.cpp

@@ -618,12 +618,13 @@ void Router::handleReceived(meshtastic_MeshPacket *p, RxSource src)
         MeshModule::callModules(*p, src);
 
 #if !MESHTASTIC_EXCLUDE_MQTT
+        bool shouldUplinkDecoded = decoded && p->decoded.has_bitfield && (p->decoded.bitfield & BITFIELD_OK_TO_MQTT_MASK) != 0;
         // Mark as pki_encrypted if it is not yet decoded and MQTT encryption is also enabled, hash matches and it's a DM not to
         // us (because we would be able to decrypt it)
         if (!decoded && moduleConfig.mqtt.encryption_enabled && p->channel == 0x00 && !isBroadcast(p->to) && !isToUs(p))
             p_encrypted->pki_encrypted = true;
         // After potentially altering it, publish received message to MQTT if we're not the original transmitter of the packet
-        if ((decoded || p_encrypted->pki_encrypted) && moduleConfig.mqtt.enabled && !isFromUs(p) && mqtt)
+        if ((shouldUplinkDecoded || p_encrypted->pki_encrypted) && moduleConfig.mqtt.enabled && !isFromUs(p) && mqtt)
             mqtt->onSend(*p_encrypted, *p, p->channel);
 #endif
     }