Megan Thee Stallion has accused 1501 Certified Entertainment of “harassing” Roc Nation CEO Desiree Perez in her ongoing legal battle with the label. According to court documents obtained by AllHipHop, the Houston rapper recently sought a protective order for Perez in an attempt to prevent 1501 from deposing the Roc Nation boss.   1501, who have been entangled in a …