Cyriel Dessers has been warned reacting to Rangers fans’ jeers during a game is not a good idea. The Nigerian striker has come in for some heavy criticism since making a £4.5m move to Rangers last summer from Serie A side Cremonense. But Dessers has handled the flak well and despite the noise, he scored 22 goals in all competitions for the Ibrox giants last season. However, there was a particular moment on Tuesday night against Dynamo Kyiv that really annoyed the Rangers frontman and he reacted angrily. Fans at Hampden jeered at him after he failed to hold the ball up in attack but Dessers was…