refs #533, fixes "CContextSimulator::ps_addRemoteAircraft is never called"

* reordered use of fireDelayedReadyForModelMatching
* better calls / params depending on received packet(FSInn / Icao code)
* fixed search in DB data
* works now with and without DB data present

src/blackmisc/simulation/aircraftmodellist.cpp

@@ -48,7 +48,7 @@ namespace BlackMisc
 
         CAircraftModel CAircraftModelList::findFirstByModelString(const QString &modelString, Qt::CaseSensitivity sensitivity) const
         {
-            return this->findFirstBy([ = ](const CAircraftModel & model)
+            return this->findFirstByOrDefault([ = ](const CAircraftModel & model)
             {
                 return model.matchesModelString(modelString, sensitivity);
             });