[Zone] Implement Zone State Saving on Shutdown (#4715)

* Save spawns

* Update base_zone_state_spawns_repository.h

* Zone state save work

* Code cleanup

* More cleanup

* Database migration

* Update database_update_manifest.cpp

* Revert decay at storage model

* Code cleanup

* More cleanup

* More cleanup

* More cleanup

* Entity variables

* Add entity variables to the schema

* Post rebase

* Checkpoint

* Serialize / deserialize buffs

* Current hp / mana / end save / load

* Save / load current_waypoint

* Add zone spawn protection

* Finishing touches

* Cleanup

* Update zone_save_state.cpp

* Cleanup

* Update zone_save_state.cpp

* Update npc.cpp

* Update npc.cpp

* More

* Update perl_npc.cpp

* Update zone_loot.cpp

zone/perl_npc.cpp

@@ -806,6 +806,11 @@ void Perl_NPC_MultiQuestEnable(NPC* self)
 	self->MultiQuestEnable();
 }
 
+bool Perl_NPC_IsResumedFromZoneSuspend(NPC* self)
+{
+	return self->IsResumedFromZoneSuspend();
+}
+
 bool Perl_NPC_CheckHandin(
 	NPC* self,
 	Client* c,
@@ -983,6 +988,7 @@ void perl_register_npc()
 	package.add("IsOnHatelist", &Perl_NPC_IsOnHatelist);
 	package.add("IsRaidTarget", &Perl_NPC_IsRaidTarget);
 	package.add("IsRareSpawn", &Perl_NPC_IsRareSpawn);
+	package.add("IsResumedFromZoneSuspend", &Perl_NPC_IsResumedFromZoneSuspend);
 	package.add("IsTaunting", &Perl_NPC_IsTaunting);
 	package.add("IsUnderwaterOnly", (bool(*)(NPC*))&Perl_NPC_IsUnderwaterOnly);
 	package.add("MerchantCloseShop", &Perl_NPC_MerchantCloseShop);