Scripts/Scarlet Enclave: Quest The Endless Hunger will work correctly after Unworthy Initiate Respawn

Due to dynamic spawns, we need to be able to update the Npc GUID after the respawn, otherwise the quest can only be completed by the first player

src/server/scripts/EasternKingdoms/ScarletEnclave/chapter1.cpp

@@ -307,8 +307,7 @@ public:
 
         void SetGUID(ObjectGuid const& guid, int32 /*id*/) override
         {
-            if (!prisonerGUID)
-                prisonerGUID = guid;
+            prisonerGUID = guid;
         }
 
         ObjectGuid GetGUID(int32 /*id*/) const override