By Tim Hanlon An RAF plane used to carry the Royal Family did not have electronic warfare protection in an apparent effort to cut costs. The jet with Defence Secretary Grant Shapps on board had its signal blocked by Russian hackers on a visit to Poland. The scare – which saw the aircraft’s GPS and internet connection jammed for around 30 minutes – has been blamed on Vladimir Putin’s forces. The Cabinet Minister was on the outskirts of Kaliningrad when the RAF Dassault Falcon 900 was targeted on Wednesday. A source said it was a “wildly irresponsible” action by the Russian regime, while another…