Michael Cohen was supported by his pal and ex-adversary Rosie O’Donnellas he took the witness stand in Donald Trump’s criminal hush money trial this week, RadarOnline.com can reveal. The dynamic between the pair has evolved into a friendship since Cohen, 57, cut ties with Trump, who has famously hurled public insults at O’Donnell, 62. Cohen, Trump’s former personal attorney and “fixer” testified against his ex-boss in New York this week regarding the alleged payments he allegedly facilitated to conceal negative press about Trump and boost his presidential campaign. On the morning that Cohen to…