OG 'Jesus Christ Superstar' Actor Says Cynthia Erivo Haters Sadly Typical

There has been an onslaught of outrage since it was announced Cynthia Erivo would star in a short run of "Jesus Christ Superstar" in L.A. ... but one former messiah actor says haters need to chill and maybe ask -- WWJD? Here's the deal ... Cynthia…