Improvements to bonus system node types / propagators

- Node type is now set on construction and never changes
- Added army propagator that also checks for TOWN and HERO
- Renamed existing propagators to be in sync with enumeration

lib/mapObjects/CGDwelling.h

@@ -39,6 +39,7 @@ public:
 	std::optional<CGDwellingRandomizationInfo> randomizationInfo; //random dwelling options; not serialized
 	TCreaturesSet creatures; //creatures[level] -> <vector of alternative ids (base creature and upgrades, creatures amount>
 
+	CGDwelling(IGameInfoCallback *cb, BonusNodeType nodeType);
 	CGDwelling(IGameInfoCallback *cb);
 	~CGDwelling() override;