feat: re-write persistent object ID tracker

Features:
- Remove random objectIDs entirely
- Replace random objectIDs with persistentIDs
- Remove the need to contact the MASTER server for a persistent ID
- Add persistent ID logic to WorldServers that use transactions to guarantee unique IDs no matter when they are generated
- Default character xml version to be the most recent one

Fixes:
- Return optional from GetModel (and check for nullopt where it may exist)
- Regenerate inventory item ids on first login to be unique item IDs (fixes all those random IDs

Pet IDs and subkeys are left alone and are assumed to be reserved (checks are there to prevent this)
There is also duplicate check logic in place for properties and UGC/Models

dCommon/dEnums/eCharacterVersion.h

@@ -19,7 +19,8 @@ enum class eCharacterVersion : uint32_t {
 	// Fixes nexus force explorer missions
 	NJ_JAYMISSIONS,
 	NEXUS_FORCE_EXPLORER, // Fixes pet ids in player inventories
-	UP_TO_DATE, // will become PET_IDS
+	PET_IDS, // Fixes pet ids in player inventories
+	UP_TO_DATE, // will become INVENTORY_PERSISTENT_IDS
 };
 
 #endif  //!__ECHARACTERVERSION__H__