Core/Spells: Fix structure of a particular SMSG_SPELL_GO used in pet summoning

src/server/game/Entities/Pet/Pet.cpp

@@ -308,6 +308,7 @@ bool Pet::LoadPetFromDB(Player* owner, uint32 petEntry, uint32 petnumber, bool c
         data << uint32(summonSpellId);
         data << uint32(256); // CAST_FLAG_UNKNOWN3
         data << uint32(0);
+        data << uint32(getMSTime());
         owner->SendMessageToSet(&data, true);
     }