fix(Core/Creature): Move DespawnOnEvade() respawn handling to map level (#17806)

src/server/game/Maps/Map.h

@@ -32,6 +32,7 @@
 #include "PathGenerator.h"
 #include "Position.h"
 #include "SharedDefines.h"
+#include "TaskScheduler.h"
 #include "Timer.h"
 #include <bitset>
 #include <list>
@@ -594,6 +595,10 @@ public:
     void DeleteRespawnTimes();
     [[nodiscard]] time_t GetInstanceResetPeriod() const { return _instanceResetPeriod; }
 
+    TaskScheduler _creatureRespawnScheduler;
+
+    void ScheduleCreatureRespawn(ObjectGuid /*creatureGuid*/, Milliseconds /*respawnTimer*/);
+
     void LoadCorpseData();
     void DeleteCorpseData();
     void AddCorpse(Corpse* corpse);