Photo Illustration by Elizabeth Brockway/The Daily Beast/GettyOnce upon a time Fox News gleefully mocked its cable-news rivals for their breathless promotion of disgraced former Stormy Daniels attorney Michael Avenatti, who was once hyped as Donald Trump’s “worst nightmare” and even floated as a possible presidential candidate.Now that the convicted felon is defending the ex-president as a “victim of the system” in the hush money case, begging to testify on Trump’s behalf and trashing Daniels, h