MQTT client proxying (#2587)

* WIP on MQTT proxy message queue

* Fix copy paste goof

* Progress on uplink

* Has packets

* Avoid trying to connect if we're proxying

* Pointer correctly

* Remove wifi guards

* Client proxy subscribe

* Fixed method that got bababababorked somehow... personally I blame CoPilot

* Short circuit logic

* Remove canned settings

* Missed some stuff in the move

* Guard pubsub client for non-networked variants

* Has networking guard

* else

* Return statement for fall-thru

* More gaurd removals

* Removed source filters. No wonder I was confused

* Bounding

* Scope guard around else and fix return

* Portduino

* Defs instead

* Move macro up to actually fix portduino

* Size_t

* Unsigned int

* Thread interval

* Protos

* Protobufs ref

src/mesh/Router.cpp

@@ -12,9 +12,7 @@ extern "C" {
 #include "mesh/compression/unishox2.h"
 }
 
-#if HAS_WIFI || HAS_ETHERNET
 #include "mqtt/MQTT.h"
-#endif
 
 /**
  * Router todo
@@ -248,7 +246,6 @@ ErrorCode Router::send(meshtastic_MeshPacket *p)
 
         bool shouldActuallyEncrypt = true;
 
-#if HAS_WIFI || HAS_ETHERNET
         if (moduleConfig.mqtt.enabled) {
             // check if we should send decrypted packets to mqtt
 
@@ -272,7 +269,6 @@ ErrorCode Router::send(meshtastic_MeshPacket *p)
             if (mqtt && !shouldActuallyEncrypt)
                 mqtt->onSend(*p, chIndex);
         }
-#endif
 
         auto encodeResult = perhapsEncode(p);
         if (encodeResult != meshtastic_Routing_Error_NONE) {
@@ -280,14 +276,12 @@ ErrorCode Router::send(meshtastic_MeshPacket *p)
             return encodeResult; // FIXME - this isn't a valid ErrorCode
         }
 
-#if HAS_WIFI || HAS_ETHERNET
         if (moduleConfig.mqtt.enabled) {
             // the packet is now encrypted.
             // check if we should send encrypted packets to mqtt
             if (mqtt && shouldActuallyEncrypt)
                 mqtt->onSend(*p, chIndex);
         }
-#endif
     }
 
     assert(iface); // This should have been detected already in sendLocal (or we just received a packet from outside)