[Bug Fix] Fix client hotbar exchanging items when zoning (#4460)

* Add an exception process to assigning item serial numbers to correct a bug in the client hot bar clicky system.

* fixed missing guid in replace statement

* added snapshot support

* upate #show inventory command to protect against crash conditions

common/item_instance.h

@@ -309,6 +309,8 @@ namespace EQ
 		int GetItemSkillsStat(EQ::skills::SkillType skill, bool augments = false) const;
 		uint32 GetItemGuildFavor() const;
 		std::vector<uint32> GetAugmentIDs() const;
+		static void AddGUIDToMap(uint64 existing_serial_number);
+		static void ClearGUIDMap();
 
 	protected:
 		//////////////////////////