Jesse Metcalfe admitted that he was completely “oblivious” to any behind-the-scenes drama between his Desperate Housewives costars—including Eva Longoria, Felicity Huffman and creator Marc Cherry. Jesse Metcalfe was desperately unaware of any on-set drama. Indeed, the Desperate Housewives alum insisted he was “oblivious” to the rumored tension between his costars—including Eva Longoria, Felicity Huffman, Nicollette…