Converted creature ID and spell ID to new form

mapeditor/inspector/armywidget.cpp

@@ -80,7 +80,7 @@ bool ArmyWidget::commitChanges()
 	for(int i = 0; i < TOTAL_SLOTS; ++i)
 	{
 		CreatureID creId(uiSlots[i]->itemData(uiSlots[i]->currentIndex()).toInt());
-		if(creId == -1)
+		if(creId == CreatureID::NONE)
 		{
 			if(army.hasStackAtSlot(SlotID(i)))
 				army.eraseStack(SlotID(i));

mapeditor/inspector/inspector.cpp

@@ -284,7 +284,7 @@ void Inspector::updateProperties(CGArtifact * o)
 	if(instance)
 	{
 		SpellID spellId = instance->getScrollSpellID();
-		if(spellId != -1)
+		if(spellId != SpellID::NONE)
 		{
 			auto * delegate = new InspectorDelegate;
 			for(auto spell : VLC->spellh->objects)