By Frank Dalleres When Gabriel Jesus latched onto a loose ball, dummied a defender and slotted low into the net against Lens in November last year the Arsenal striker set a new Champions League record. It made Jesus the only player from any English club to score in each of his first four games of the season in the competition and appeared to prove that the Brazilian was back to his best. “He is a tremendous player, a really important player for us. He changed our world,” manager Mikel Arteta had gushed a few weeks earlier. Jesus scored again the following week in a topsy-turvy win at Luton and…