[Bug Fix] Fix NPC Item Stat Bonuses (#3444)

* [Bug Fix] Fix NPC Item Stat Bonuses

# Notes
- Due to https://github.com/EQEmu/Server/pull/3136 NPCs/Mercs were not receiving stat bonuses from their items, this fixes that.

* Update npc.h

* Changes.

* Cleanup

* Cleanup

* Update loottables.cpp

* Update npc.cpp

* Update loottables.cpp

zone/bonuses.cpp

@@ -146,7 +146,8 @@ void Mob::CalcItemBonuses(StatBonuses* b) {
 	int16 i;
 
 	for (i = EQ::invslot::BONUS_BEGIN; i <= EQ::invslot::BONUS_SKILL_END; i++) {
-		const EQ::ItemInstance* inst = GetInv().GetItem(i);
+		const auto* inst = GetInv().GetItem(i);
+
 		if (!inst) {
 			continue;
 		}

zone/loottables.cpp

@@ -363,11 +363,23 @@ void NPC::AddLootDrop(
 
 	bool found = false; // track if we found an empty slot we fit into
 
+	int foundslot = -1; // for multi-slot items
+
+	const auto* inst = database.CreateItem(
+		item2->ID,
+		loot_drop.item_charges,
+		aug1,
+		aug2,
+		aug3,
+		aug4,
+		aug5,
+		aug6
+	);
+
 	if (loot_drop.equip_item > 0) {
 		uint8 eslot = 0xFF;
 		char newid[20];
 		const EQ::ItemData* compitem = nullptr;
-		int32 foundslot = -1; // for multi-slot items
 
 		// Equip rules are as follows:
 		// If the item has the NoPet flag set it will not be equipped.
@@ -511,10 +523,12 @@ void NPC::AddLootDrop(
 		}
 	}
 
-	if (itemlist != nullptr) {
+	if (itemlist) {
+		GetInv().PutItem(foundslot, *inst);
 		itemlist->push_back(item);
+	} else {
+		safe_delete(item);
 	}
-	else safe_delete(item);
 
 	if (found) {
 		CalcBonuses();

zone/npc.cpp

@@ -441,6 +441,8 @@ NPC::NPC(const NPCType *npc_type_data, Spawn2 *in_respawn, const glm::vec4 &posi
 		m_can_open_doors = false;
 	}
 
+	GetInv().SetInventoryVersion(EQ::versions::MobVersion::RoF2);
+	GetInv().SetGMInventory(false);
 }
 
 float NPC::GetRoamboxMaxX() const