By Bonnie Stiernberg Up until Prince’s untimely death in 2016, he and Morris Day shared a long musical history that began with their time together in a band called Grand Central and continued with their group The Time, which they founded in 1980. Eventually, as Prince’s solo career took off, Morris Day & The Time began opening for him on tours, leading to a bit of a rivalry between the pair that was depicted in 1984’s Purple Rain. Though they had their ups and downs, there was always a mutual respect between Prince and Day, but now it appears things have grown more contentious between the latt…