tavern invite show random hero icon as default

client/windows/GUIClasses.cpp

@@ -548,11 +548,12 @@ void CTavernWindow::addInvite()
 
 	if(!inviteableHeroes.empty())
 	{
+		int imageIndex = heroToInvite ? (*CGI->heroh)[heroToInvite->getHeroType()]->imageIndex : 156; // 156 => special id for random
 		if(!heroToInvite)
 			heroToInvite = (*RandomGeneratorUtil::nextItem(inviteableHeroes, CRandomGenerator::getDefault())).second;
 
 		inviteHero = std::make_shared<CLabel>(170, 444, EFonts::FONT_MEDIUM, ETextAlignment::CENTER, Colors::WHITE, CGI->generaltexth->translate("vcmi.tavernWindow.inviteHero"));
-		inviteHeroImage = std::make_shared<CAnimImage>(AnimationPath::builtin("PortraitsSmall"), (*CGI->heroh)[heroToInvite->getHeroType()]->imageIndex, 0, 245, 428);
+		inviteHeroImage = std::make_shared<CAnimImage>(AnimationPath::builtin("PortraitsSmall"), imageIndex, 0, 245, 428);
 		inviteHeroImageArea = std::make_shared<LRClickableArea>(Rect(245, 428, 48, 32), [this](){ GH.windows().createAndPushWindow<HeroSelector>(inviteableHeroes, [this](CGHeroInstance* h){ heroToInvite = h; addInvite(); }); }, [this](){ GH.windows().createAndPushWindow<CRClickPopupInt>(std::make_shared<CHeroWindow>(heroToInvite)); });
 	}
 }