Check for hop_limit and also update next hop when hop_start == hop_limit on ACK

Also check for broadcast in `getNextHop()`

src/modules/Modules.cpp

@@ -245,4 +245,4 @@ void setupModules()
     // NOTE! This module must be added LAST because it likes to check for replies from other modules and avoid sending extra
     // acks
     routingModule = new RoutingModule();
-}
+}

src/modules/NeighborInfoModule.cpp

@@ -208,4 +208,4 @@ meshtastic_Neighbor *NeighborInfoModule::getOrCreateNeighbor(NodeNum originalSen
         neighbors.push_back(new_nbr);
     }
     return &neighbors.back();
-}
+}

src/modules/NeighborInfoModule.h

@@ -67,4 +67,4 @@ class NeighborInfoModule : public ProtobufModule<meshtastic_NeighborInfo>, priva
     void printNeighborInfo(const char *header, const meshtastic_NeighborInfo *np);
     void printNodeDBNeighbors();
 };
-extern NeighborInfoModule *neighborInfoModule;
+extern NeighborInfoModule *neighborInfoModule;