feat(Core/Unit): anticheat helper (#16115)

this covers a case with SPELL_AURA_CONTROL_VEHICLE being used. commonly in dk starter spot and northrend.

src/server/game/Entities/Unit/Unit.cpp

@@ -20164,7 +20164,10 @@ void Unit::_ExitVehicle(Position const* exitPosition)
     }
 
     if (player)
+    {
         player->ResummonPetTemporaryUnSummonedIfAny();
+        player->SetCanTeleport(true);
+    }
 }
 
 void Unit::BuildMovementPacket(ByteBuffer* data) const