Fix corrupt item cache crashes, bot whispers, trade crashes

src/server/game/Entities/GameObject/GameObject.cpp

@@ -1009,6 +1009,7 @@ void GameObject::SaveToDB(uint32 mapid, uint8 spawnMask, uint32 phaseMask, bool
 
     // update in loaded data (changing data only in this place)
     GameObjectData& data = sObjectMgr->NewGOData(m_spawnId);
+    data.spawnId = m_spawnId;
 
     data.id = GetEntry();
     data.mapid = mapid;

src/server/game/Entities/GameObject/GameObject.h

@@ -721,6 +721,7 @@ enum GOState
 struct GameObjectData
 {
     explicit GameObjectData()  = default;
+    ObjectGuid::LowType spawnId{0};
     uint32 id{0};                                              // entry in gamobject_template
     uint16 mapid{0};
     uint32 phaseMask{0};